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Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Help:FormattingResults | Open Energy Information  

Open Energy Info (EERE)

FormattingResults FormattingResults Jump to: navigation, search Contents 1 UL 2 Google Pie Charts 3 Outline 4 Calendar 5 Timeline 6 Gallery 7 Google Map 8 Geochart Ask Queries are used to pull results from semantic wiki content and can be displayed in a variety of formats. This page lists examples of the more common formats with the code used to generate them and when applicable, links to eternal help documents describing the options available for each format. When writing an ask query, one specifies the format with |format=. The examples below contain the ask query code used to generate them, including the format declaration. UL BioPower Atlas and BioFuels Atlas Biomass Energy Data Book CLIMWAT 2.0 CROPWAT 8.0 {{#ask:[[Category:Tools]] [[ProgramTopics::Resource assessment]] [[ProgramResources::Dataset]]

2

New Result Formats on OpenEI | OpenEI Community  

Open Energy Info (EERE)

New Result Formats on OpenEI New Result Formats on OpenEI Home > Groups > OpenEI Community Central Jweers's picture Submitted by Jweers(83) Contributor 25 March, 2013 - 12:22 developer mediawiki OpenEI Semantic Mediawiki wiki As a result of the recent upgrade, and some internal improvements, OpenEI now features a host of new result formats to enhance your wiki content. You can find a list of them right here: http://semantic-mediawiki.org/wiki/Result_formats I would like to call extra attention to two of these: Valuerank, which shows the number of things in a query (e.q. number of companies in a country) without the need for aggregating queries. (Once implemented, this will simplify LEDS maps and solve the latency issues we were seeing with activities/organizations per country). Listwidget, which builds a clean pagination mechanism for navigation

3

result formats | OpenEI Community  

Open Energy Info (EERE)

result formats Home Jweers's picture Submitted by Jweers(83) Contributor 16 May, 2013 - 14:22 Multicolor Maps from Compound Queries ask queries compound queries developer Google...

4

Semantic Mediawiki | OpenEI Community  

Open Energy Info (EERE)

Semantic Mediawiki Semantic Mediawiki Home Jweers's picture Submitted by Jweers(83) Contributor 7 August, 2013 - 18:23 New Robust References! citation citing developer formatting reference Semantic Mediawiki wiki Check out the new Reference Form. Adding a reference object to OpenEI using this form is the most complete way to cite a reference. After providing the name of your reference, the form will ask for your document type. Jweers's picture Submitted by Jweers(83) Contributor 16 May, 2013 - 14:22 Multicolor Maps from Compound Queries ask queries compound queries developer Google maps maps multicolor result formats results Semantic Mediawiki Hi all, Recently, a couple of people on OpenEI have asked me how to do compound (or multicolor) maps like this one: Jweers's picture Submitted by Jweers(83)

5

Semantic role labelling of prepositional phrases  

Science Conference Proceedings (OSTI)

We propose a method for labelling prepositional phrases according to two different semantic role classifications, as contained in the Penn treebank and the CoNLL 2004 Semantic Role Labelling data set. Our results illustrate the difficulties in determining ...

Patrick Ye; Timothy Baldwin

2005-10-01T23:59:59.000Z

6

Semantic role labeling of prepositional phrases  

Science Conference Proceedings (OSTI)

We propose a method for labelling prepositional phrases according to two different semantic role classifications, as contained in the Penn treebank and the CoNLL 2004 Semantic Role Labeling data set. Our results illustrate the difficulties in determining ... Keywords: Preposition, Semantic Role

Patrick Ye; Timothy Baldwin

2006-09-01T23:59:59.000Z

7

Proceedings of the 8th International Conference on Semantic Systems  

Science Conference Proceedings (OSTI)

This volume contains the proceedings of the I-SEMANTICS 2012. I-SEMANTICS offers a forum for the exchange of latest scientific results in semantic systems and complements these topics with new research challenges in the area of social software, semantic ...

Valentina Presutti; H. Sofia Pinto; Harald Sack; Tassilo Pellegrini

2012-09-01T23:59:59.000Z

8

Proceedings of the 6th International Conference on Semantic Systems  

Science Conference Proceedings (OSTI)

This volume contains the proceedings of the I-SEMANTICS '10. I-SEMANTICS offers a forum for exchange of latest scientific results in semantic systems and complements these topics with new research challenges in the area of social software, semantic content ...

Adrian Paschke; Nicola Henze; Tassilo Pellegrini

2010-09-01T23:59:59.000Z

9

Semantic Developer | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Semantic Developer Developer Data Web Services Source Code Challenges Semantic Web Blogs Let's Talk Developers You are here Data.gov Communities Developers As the Semantic...

10

Fracturing results in diatomaceous earth formations, South Belridge Field, California  

SciTech Connect

The company began fracturing diatomaceous earth zones in the San Joaquin Valley (CA) in 1976. Fracturing has proved an effective method of exploiting these previously noncommercial reservoirs. Nevertheless, productivity behavior is typified by high initial rates followed by rapid decline. Reasons for this decline have been evaluated and are discussed. Also discussed are laboratory experiments performed to determine an appropriate fracture design for this formation.

Strubhar, M.K.; Andreani, F.S.; Medlin, W.L.; Nabi, S.M.

1984-03-01T23:59:59.000Z

11

Degree centrality for semantic abstraction summarization of therapeutic studies  

Science Conference Proceedings (OSTI)

Automatic summarization has been proposed to help manage the results of biomedical information retrieval systems. Semantic MEDLINE, for example, summarizes semantic predications representing assertions in MEDLINE citations. Results are presented as a ... Keywords: Automatic summarization, Degree centrality, Disease treatment, Graph theory, Natural language processing, Semantic processing

Han Zhang; Marcelo Fiszman; Dongwook Shin; Christopher M. Miller; Graciela Rosemblat; Thomas C. Rindflesch

2011-10-01T23:59:59.000Z

12

Fracturing results in diatomaceous earth formations, South Belridge Field, California  

SciTech Connect

Fracturing significantly increases light oil production rates at South Belridge making this an economically successful technique for exploitation of the Reef Ridge reservoir. No fracturing mechanics problems were encountered in any of the treatments. The loosely consolidated formations behaved mechanically much like brittle, elastic rocks. Net oil and gross production is typified by initial high rates and an early rapid decline. The major cause of this early rapid decline is the transient flow effect. This behavior is typical of low permeability oil and gas production. Fractures are vertical, as shown by gamma ray and temperature logs run following several treatments. The fractures grow slightly out of the perforated intervals (10 to 15 feet). Loss of fracture conductivity due to fines migration, scale deposition, and/or fracture healing (imbedment) is not a serious problem. Oil viscosity can vary as much as ten-fold. Some wells produce significant amounts of gas--100 to 200 MCFPD initially. The formation is primarily diatomaceous earth which is very fine particle size siliceous material composed of whole or fragmented diatom tests (skeletons). There is no evidence that clay swelling or dispersion is a problem. Field and laboratory data support this conclusion. Aqueous fracturing fluids were successfully used which confirmed laboratory tests on cores.

Strubhar, M.K.; Medin, W.L.

1982-09-01T23:59:59.000Z

13

Discovering semantic biomedical relations utilizing the Web  

Science Conference Proceedings (OSTI)

To realize the vision of a Semantic Web for Life Sciences, discovering relations between resources is essential. It is very difficult to automatically extract relations from Web pages expressed in natural language formats. On the other hand, because ... Keywords: Ontology construction, relation identification

Saurav Sahay; Sougata Mukherjea; Eugene Agichtein; Ernest V. Garcia; Shamkant B. Navathe; Ashwin Ram

2008-03-01T23:59:59.000Z

14

A Semantic Graph Query Language  

Science Conference Proceedings (OSTI)

Semantic graphs can be used to organize large amounts of information from a number of sources into one unified structure. A semantic query language provides a foundation for extracting information from the semantic graph. The graph query language described here provides a simple, powerful method for querying semantic graphs.

Kaplan, I L

2006-10-16T23:59:59.000Z

15

Semantic annotation, indexing, and retrieval  

Science Conference Proceedings (OSTI)

The Semantic Web realization depends on the availability of a critical mass of metadata for the web content, associated with the respective formal knowledge about the world. We claim that the Semantic Web, at its current stage of development, is in a ... Keywords: Information retrieval, Semantic annotation, Semantic metadata

Atanas Kiryakov; Borislav Popov; Ivan Terziev; Dimitar Manov; Damyan Ognyanoff

2004-12-01T23:59:59.000Z

16

An Applied Ontological Semantic Microtheory of Adjective Meaning for Natural Language Processing  

Science Conference Proceedings (OSTI)

This paper is devoted to determining and representing adjectival meaning. The results form a microtheory in the Mikrokosmos project on computational ontological semantics. Mikrokosmos microtheories cover the meaning of lexical categories in several ... Keywords: adjectives, computational lexicography, ontological semantics

Victor Raskin; Sergei Nirenburg

1998-11-01T23:59:59.000Z

17

Automated translation of semantic relationships  

Science Conference Proceedings (OSTI)

We present a method for translating semantic relationships between languages where relationships are defined as pattern clusters. Given a pattern set which represents a semantic relationship, we use the web to extract sample term pairs of this relationship. ...

Dmitry Davidov; Ari Rappoport

2010-08-01T23:59:59.000Z

18

Temporal Representation in Semantic Graphs  

Science Conference Proceedings (OSTI)

A wide range of knowledge discovery and analysis applications, ranging from business to biological, make use of semantic graphs when modeling relationships and concepts. Most of the semantic graphs used in these applications are assumed to be static pieces of information, meaning temporal evolution of concepts and relationships are not taken into account. Guided by the need for more advanced semantic graph queries involving temporal concepts, this paper surveys the existing work involving temporal representations in semantic graphs.

Levandoski, J J; Abdulla, G M

2007-08-07T23:59:59.000Z

19

Semantic web reasoners and languages  

Science Conference Proceedings (OSTI)

Semantic web reasoners and languages enable the semantic web to function. Some of the latest reasoning models developed in the last few years are: DLP, FaCT, RACER, Pellet, MSPASS, CEL, Cerebra Engine, QuOnto, KAON2, HermiT and others. Some software ... Keywords: Description logic, Languages, Reasoners, Semantic web

R. B. Mishra; Sandeep Kumar

2011-04-01T23:59:59.000Z

20

Semantic Mediawiki Semantic Forms update | OpenEI Community  

Open Energy Info (EERE)

Semantic Mediawiki Semantic Forms update Semantic Mediawiki Semantic Forms update Home > Groups > Utility Rate Rmckeel's picture Submitted by Rmckeel(297) Contributor 22 October, 2012 - 07:23 developer Incentives and Policies Semantic Mediawiki upgrade Utility Rates We have just updated Semantic Forms on OpenEI to version 2.4 to enable some upgrades to the utility rate forms (thanks Teresa!). If you see any problems in forms you use on OpenEI, please notify us by commenting on this blog entry or emailing us from the contact link on the OpenEI frontpage. We are looking forward to upgrading all of our Mediawiki and Semantic Mediawiki software as time allows for testing and going through the upgrade process. To see the versions of our wiki software, check out this page. Thanks! Ryan Groups: Utility Rate

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Semantic management of middleware  

Science Conference Proceedings (OSTI)

The Ph.D. proposal addresses the complexity of building distributed applications and systems with Application Servers and Web Services middleware, respectively. Despite their flexible XML-based configuration, taming the ever growing complexity remains ... Keywords: application server, middleware, ontology, semantic technology, service oriented architecture, web service

Daniel Oberle

2004-10-01T23:59:59.000Z

22

Semantic point detector  

Science Conference Proceedings (OSTI)

Local features are the building blocks of many visual systems, and local point detector is usually the first component for local feature extraction. Existing local point detector are designed with target for matching and it may not perform well when ... Keywords: semantic point detector

Kuiyuan Yang; Lei Zhang; Meng Wang; Hong-Jiang Zhang

2011-11-01T23:59:59.000Z

23

Semantics, experience and time  

Science Conference Proceedings (OSTI)

The computational hypothesis, with its inherent representationalism, and the dynamical hypothesis, with its apparent absence of representations and its commitment to continuous time, stand at an impasse. It is unclear how the dynamical stance can handle ... Keywords: Computation, Experience, Invariance, Semantics, Situatedness, Time

Stephen E. Robbins

2002-09-01T23:59:59.000Z

24

Peer-to-peer semantic coordination  

Science Conference Proceedings (OSTI)

Semantic coordination, namely the problem of finding an agreement on the meaning of heterogeneous schemas, is one of the key issues in the development of the Semantic Web. In this paper, we propose a method for discovering semantic mappings across hierarchical ... Keywords: Hierarchical classification, Semantic coordination, Semantic mapping

P. Bouquet; L. Serafini; S. Zanobini

2004-12-01T23:59:59.000Z

25

Automatic ontology matching using application semantics  

Science Conference Proceedings (OSTI)

We propose the use of application semantics to enhance the process of semantic reconciliation. Application semantics involves those elements of business reasoning that affect the way concepts are presented to users: their layout, and so on. In particular, ...

Avigdor Gal; Giovanni Modica; Hasan Jamil; Ami Eyal

2005-03-01T23:59:59.000Z

26

JAS - a Java action semantics  

E-Print Network (OSTI)

Brown,D.F. Watt,D.A. Proceedings of 2nd International Workshop on Action Semantics pp 43-56 Dept of Computer Science, University of Aarhus

Brown, D.F.; Watt, D.A.

27

Combinatorial Information Theoretical Measurement of the Semantic Significance of Semantic Graph Motifs  

Science Conference Proceedings (OSTI)

Given an arbitrary semantic graph data set, perhaps one lacking in explicit ontological information, we wish to first identify its significant semantic structures, and then measure the extent of their significance. Casting a semantic graph dataset as an edge-labeled, directed graph, this task can be built on the ability to mine frequent {\\em labeled} subgraphs in edge-labeled, directed graphs. We begin by considering the fundamentals of the enumerative combinatorics of subgraph motif structures in edge-labeled directed graphs. We identify its frequent labeled, directed subgraph motif patterns, and measure the significance of the resulting motifs by the information gain relative to the expected value of the motif based on the empirical frequency distribution of the link types which compose them, assuming indpendence. We illustrate the method on a small test graph, and discuss results obtained for small linear motifs (link type bigrams and trigrams) in a larger graph structure.

Joslyn, Cliff A.; al-Saffar, Sinan; Haglin, David J.; Holder, Larry

2011-06-14T23:59:59.000Z

28

Search Relevance based on the Semantic Web.  

E-Print Network (OSTI)

??In this thesis, we explore the challenge of search relevance in the context of semantic search. Specifically, the notion of semantic relevance can be distinguished… (more)

Bicer, Veli

2012-01-01T23:59:59.000Z

29

Financial news semantic search engine  

Science Conference Proceedings (OSTI)

An increasingly large amount of financial information available in a number of heterogeneous business sources implies that the traditional methods of analysis are no longer applicable. These financial data sources are characterized by the use of disparate ... Keywords: Ontologies, Ontology population, Semantic Web, Semantic search engine

Eduardo Lupiani-Ruiz; Ignacio GarcíA-Manotas; Rafael Valencia-GarcíA; Francisco GarcíA-SáNchez; Dagoberto Castellanos-Nieves; Jesualdo TomáS FernáNdez-Breis; Juan Bosco CamóN-Herrero

2011-11-01T23:59:59.000Z

30

The chatty web: emergent semantics through gossiping  

Science Conference Proceedings (OSTI)

This paper describes a novel approach for obtaining semantic interoperability among data sources in a bottom-up, semi-automatic manner without relying on pre-existing, global semantic models. We assume that large amounts of data exist that have been ... Keywords: self-organization, semantic agreements, semantic integration

Karl Aberer; Philippe Cudré-Mauroux; Manfred Hauswirth

2003-05-01T23:59:59.000Z

31

24.973 Advanced Semantics, Spring 2003  

E-Print Network (OSTI)

Current work on semantics and questions of logic and meaning for syntactic systems in generative grammar.

Von Fintel, Kai

32

Elements of a National SemanticWeb Infrastructure--Case Study Finland on the Semantic Web  

Science Conference Proceedings (OSTI)

This article presents the vision and results of creating the basis for a national semantic web content infrastructure in Finland in 2003-2007. The main elements of the infrastructure are shared and open metadata schemas, core ontologies, and public ontology ...

Eero Hyvonen; Kim Viljanen; Eetu Makela; Tomi Kauppinen; Tuukka Ruotsalo; Onni Valkeapaa; Katri Seppala; Osma Suominen; Olli Alm; Robin Lindroos; Teppo Kansala; Riikka Henriksson; Matias Frosterus; Jouni Tuominen; Reetta Sinkkila; Jussi Kurki

2007-09-01T23:59:59.000Z

33

Modeling views for semantic web using extensible semantic (XSemantic) nets  

Science Conference Proceedings (OSTI)

The emergence of Semantic Web (SW) and the related technologies promise to make the web a meaningful experience. Yet, high level modeling, design and querying techniques proves to be a challenging task for organizations that are hoping utilize the SW ...

R. Rajugan; Elizabeth Chang; Ling Feng; Tharam S. Dillon

2005-10-01T23:59:59.000Z

34

Towards a semantics of activity diagrams with semantic variation points  

Science Conference Proceedings (OSTI)

UML activity diagrams have become an established notation to model control and data flow on various levels of abstraction, ranging from fine-grained descriptions of algorithms to high-level workflow models in business applications. A formal semantics ...

Hans Grönniger; Dirk Reiß; Bernhard Rumpe

2010-10-01T23:59:59.000Z

35

An abstract schema for representing semantic roles and modelling the syntax-semantics interface  

Science Conference Proceedings (OSTI)

This paper presents a novel approach to semantic role annotation implementing an entailment-based view of the concept of semantic role. I propose to represent arguments of predicates with grammatically relevant primitive properties entailed by the semantics ...

Voula Gotsoulia

2011-01-01T23:59:59.000Z

36

Semantic mapping using mobile robots  

Science Conference Proceedings (OSTI)

Robotic mapping is the process of automatically constructing an environment representation using mobile robots. We address the problem of semantic mapping, which consists of using mobile robots to create maps that represent not only metric occupancy ...

Denis Fernando Wolf / Gaurav S. Sukhatme

2006-01-01T23:59:59.000Z

37

Semantic representation of multimedia content  

Science Conference Proceedings (OSTI)

Multimedia documents constitute extremely rich information resources, whose efficacious management is intertwined with the effective capturing of the underlying semantics. The conveyed meaning may span along multiple levels and relates to search and ...

Kalliopi Dalakleidi; Stamatia Dasiopoulou; Giorgos Stoilos; Vassilis Tzouvaras; Giorgos Stamou; Yiannis Kompatsiaris

2011-01-01T23:59:59.000Z

38

Semantic search | Open Energy Information  

Open Energy Info (EERE)

Low Emission Development Strategies Oil & Gas Smart Grid Solar U.S. OpenLabs Utilities Water Wind View New Pages Recent Changes All Special Pages Semantic SearchQuerying Get...

39

Further results about field theory on the world sheet and string formation  

E-Print Network (OSTI)

O n The W o r l d Sheet A n d String Formation K o r k u tthe model has two phases: A string forming phase and acan be thought of as the string slope, which is now promoted

Bardakci, Korbut

2005-01-01T23:59:59.000Z

40

THE RESULTS OF TESTING TO EVALUATE CRYSTAL FORMATION AND SETTLING IN THE COLD CRUCIBLE INDUCTION MELTER  

SciTech Connect

The Cold Crucible Induction Melter (CCIM) technology offers the potential to increase waste loading for High Level Waste (HLW) glasses leading to significant improvements in waste throughput rates compared to the reference Joule Heated Melter (JHM). Prior to implementation of a CCIM in a production facility it is necessary to better understand processing constraints associated with the CCIM. The glass liquidus temperature requirement for processing in the CCIM is an open issue. Testing was conducted to evaluate crystal formation and crystal settling during processing in the CCIM to gain insight into the effects on processing. A high aluminum/high iron content glass composition with known crystal formation tendencies was selected for testing. A continuous melter test was conducted for approximately 51 hours. To evaluate crystal formation, glass samples were obtained from pours and from glass receipt canisters where the glass melt had varying residence time in the melter. Additionally, upon conclusion of the testing, glass samples from the bottom of the melter were obtained to assess the degree of crystal settling. Glass samples were characterized in an attempt to determine quantitative fractions of crystals in the glass matrix. Crystal identity and relative composition were determined using a combination of x-ray diffraction (XRD) and scanning electron microscopy coupled with energy dispersive spectroscopy (SEM/EDS). Select samples were also analyzed by digesting the glass and determining the composition using inductively coupled atomic emission spectroscopy (ICP-AES). There was evidence of crystal formation (primarily spinels) in the melt and during cooling of the collected glass. There was evidence of crystal settling in the melt over the duration of the melter campaign.

Marra, J.

2009-06-30T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Relation guided bootstrapping of semantic lexicons  

Science Conference Proceedings (OSTI)

State-of-the-art bootstrapping systems rely on expert-crafted semantic constraints such as negative categories to reduce semantic drift. Unfortunately, their use introduces a substantial amount of supervised knowledge. We present the Relation Guided ...

Tara McIntosh; Lars Yencken; James R. Curran; Timothy Baldwin

2011-06-01T23:59:59.000Z

42

Exploiting semantic role resources for preposition disambiguation  

Science Conference Proceedings (OSTI)

This article describes how semantic role resources can be exploited for preposition disambiguation. The main resources include the semantic role annotations provided by the Penn Treebank and FrameNet tagged corpora. The resources also include the assertions ...

Tom O'Hara; Janyce Wiebe

2009-06-01T23:59:59.000Z

43

Maximum entropy based semantic role labeling  

Science Conference Proceedings (OSTI)

The semantic role labeling (SRL) refers to finding the semantic relation (e.g. Agent, Patient, etc.) between a predicate and syntactic constituents in the sentences. Especially, with the argument information of the predicate, we can derive the ...

Kyung-Mi Park; Hae-Chang Rim

2005-06-01T23:59:59.000Z

44

Modeling Computations in a Semantic Network  

E-Print Network (OSTI)

Semantic network research has seen a resurgence from its early history in the cognitive sciences with the inception of the Semantic Web initiative. The Semantic Web effort has brought forth an array of technologies that support the encoding, storage, and querying of the semantic network data structure at the world stage. Currently, the popular conception of the Semantic Web is that of a data modeling medium where real and conceptual entities are related in semantically meaningful ways. However, new models have emerged that explicitly encode procedural information within the semantic network substrate. With these new technologies, the Semantic Web has evolved from a data modeling medium to a computational medium. This article provides a classification of existing computational modeling efforts and the requirements of supporting technologies that will aid in the further growth of this burgeoning domain.

Marko A. Rodriguez; Johan Bollen

2007-05-31T23:59:59.000Z

45

Direct Semantics of Extended State Machines  

E-Print Network (OSTI)

In this paper we present semantic profiles for UML 2 state machines, which are based directly upon the structure of a state machine model, without requiring flattening or other transformations on these models. The approach addresses many of the semantic problems identified for state machines, and provides a basis for semantic analysis and proof of behavioural compatibility between state machines. 1

K. Lano; D. Clark

2007-01-01T23:59:59.000Z

46

Web to Semantic Web & Role of Ontology  

E-Print Network (OSTI)

In this research paper we are briefly presenting current major web problems and introducing semantic web technologies with the claim of solving existing web's problems. Furthermore we are describing Ontology as the main building block of semantic web and focusing on its contributions to semantic web progress and current limitations.

Ahmed, Zeeshan

2010-01-01T23:59:59.000Z

47

SWIDE: semantic web integrated development environment  

Science Conference Proceedings (OSTI)

Ontology is a specification of conceptualization. This paper introduces an environment to develop semantic web applications. This environment integrates a lot of tools such as an editing capability, logic reasoner and semantic search engine. Design and ... Keywords: Jena, OWL, RDF, SPARQL, XML, ontology editor, semantic web

Islam Hany Harb; Abdurrahman A. Nasr; Salah Abdel-Magid; Hany Harb

2011-09-01T23:59:59.000Z

48

Standards for image annotation using Semantic Web  

Science Conference Proceedings (OSTI)

The impetus behind Semantic Web research remains the vision of supplementing availability with utility; that is, the World Wide Web provides availability of digital media, but the Semantic Web will allow presently available digital media to be used in ... Keywords: Annotation, Image gallery, Ontology, Semantic Web

Latifur Khan

2007-02-01T23:59:59.000Z

49

SWSNL: Semantic Web Search Using Natural Language  

Science Conference Proceedings (OSTI)

As modern search engines are approaching the ability to deal with queries expressed in natural language, full support of natural language interfaces seems to be the next step in the development of future systems. The vision is that of users being able ... Keywords: Natural Language Understanding, Semantic Web, Semantic search, Statistical semantic analysis

Ivan Habernal; Miloslav KonopíK

2013-07-01T23:59:59.000Z

50

Semantic Sensor Net: an extensible framework  

Science Conference Proceedings (OSTI)

Existing approaches for sensor networks suffer from a number of serious drawbacks, including assumption of homogeneous sensor nodes, application-dependency, engineering-orientation, and lack of interoperability. To overcome these drawbacks, we ... Keywords: architecture, data processing, dynamic tagging, framework, semantic information, semantic sensor net, semantics, sensor networks

Lionel M. Ni; Yanmin Zhu; Jian Ma; Qiong Luo; Yunhao Liu; S. C. Cheung; Qiang Yang; Minglu Li; Min-you Wu

2009-04-01T23:59:59.000Z

51

Retrieval of semantic concepts based on analysis of texts for automatic construction of ontology  

Science Conference Proceedings (OSTI)

Ontology together with Semantic Web has a vital role in knowledge management on a global scale. Since manual construction of ontology leads to complex, time consuming and inconsistent results, automatic construction of ontology is more preferred. This ... Keywords: automatic ontology construction, hypernym, hyponym, ontology, semantic web, synonym, wordnet

Reshmy Krishnan; Amir Hussain; P. C. Sherimon

2012-11-01T23:59:59.000Z

52

The Formation and Evolution of Planetary Systems: First Results from a Spitzer Legacy Science Program  

E-Print Network (OSTI)

We present 3-160 micron photometry obtained with the IRAC and MIPS instruments for the first five targets from the Spitzer Legacy Science Program "Formation and Evolution of Planetary Systems" and 4-35 micron spectro-photometry obtained with the IRS for two sources. We discuss in detail our observations of the debris disks surrounding HD 105 (G0V, 30 +- 10 Myr) and HD 150706 (G3V, ~ 700 +- 300 Myr). For HD 105, possible interpretations include large bodies clearing the dust inside of 45 AU or a reservoir of gas capable of sculpting the dust distribution. The disk surrounding HD 150706 also exhibits evidence of a large inner hole in its dust distribution. Of the four survey targets without previously detected IR excess, spanning ages 30 Myr to 3 Gyr, the new detection of excess in just one system of intermediate age suggests a variety of initial conditions or divergent evolutionary paths for debris disk systems orbiting solar-type stars.

M. R. Meyer; L. A. Hillenbrand; D. E. Backman; S. V. W. Beckwith; J. Bouwman; T. Y. Brooke; J. M. Carpenter; M. Cohen; U. Gorti; T. Henning; D. C. Hines; D. Hollenbach; J. S. Kim; J. Lunine; R. Malhotra; E. E. Mamajek; S. Metchev; A. Moro--Martin; P. Morris; J. Najita; D. L. Padgett; J. Rodmann; M. D. Silverstone; D. R. Soderblom; J. R. Stauffer; E. B. Stobie; S. E. Strom; D. M. Watson; S. J. Weidenschilling; S. Wolf; E. Young; C. W. Engelbracht; K. D. Gordon; K. Misselt; J. Morrison; J. Muzerolle; K. Su

2004-06-11T23:59:59.000Z

53

Geographic signatures for semantic retrieval  

Science Conference Proceedings (OSTI)

Geographic Information Retrieval (GIR) systems rely on the identification and disambiguation of place names in documents to determine the region about which they are relevant. The place names are mapped into geographic concepts and used to assign an ... Keywords: NER, conditional random fields, geographic information retrieval, semantic similarity

David S. Batista; Mário J. Silva; Francisco M. Couto; Bibek Behera

2010-02-01T23:59:59.000Z

54

High-performance Computing Applied to Semantic Databases  

SciTech Connect

To-date, the application of high-performance computing resources to Semantic Web data has largely focused on commodity hardware and distributed memory platforms. In this paper we make the case that more specialized hardware can offer superior scaling and close to an order of magnitude improvement in performance. In particular we examine the Cray XMT. Its key characteristics, a large, global shared-memory, and processors with a memory-latency tolerant design, offer an environment conducive to programming for the Semantic Web and have engendered results that far surpass current state of the art. We examine three fundamental pieces requisite for a fully functioning semantic database: dictionary encoding, RDFS inference, and query processing. We show scaling up to 512 processors (the largest configuration we had available), and the ability to process 20 billion triples completely in-memory.

Goodman, Eric L.; Jimenez, Edward; Mizell, David W.; al-Saffar, Sinan; Adolf, Robert D.; Haglin, David J.

2011-06-02T23:59:59.000Z

55

High-performance computing applied to semantic databases.  

Science Conference Proceedings (OSTI)

To-date, the application of high-performance computing resources to Semantic Web data has largely focused on commodity hardware and distributed memory platforms. In this paper we make the case that more specialized hardware can offer superior scaling and close to an order of magnitude improvement in performance. In particular we examine the Cray XMT. Its key characteristics, a large, global shared-memory, and processors with a memory-latency tolerant design, offer an environment conducive to programming for the Semantic Web and have engendered results that far surpass current state of the art. We examine three fundamental pieces requisite for a fully functioning semantic database: dictionary encoding, RDFS inference, and query processing. We show scaling up to 512 processors (the largest configuration we had available), and the ability to process 20 billion triples completely in-memory.

al-Saffar, Sinan (Pacific Northwest National Laboratory, Richland, WA); Jimenez, Edward Steven, Jr.; Adolf, Robert (Pacific Northwest National Laboratory, Richland, WA); Haglin, David (Pacific Northwest National Laboratory, Richland, WA); Goodman, Eric L.; Mizell, David (Cray, Inc., Seattle, WA)

2010-12-01T23:59:59.000Z

56

LDRD final report : first application of geospatial semantic graphs to SAR image data.  

SciTech Connect

Modeling geospatial information with semantic graphs enables search for sites of interest based on relationships between features, without requiring strong a priori models of feature shape or other intrinsic properties. Geospatial semantic graphs can be constructed from raw sensor data with suitable preprocessing to obtain a discretized representation. This report describes initial work toward extending geospatial semantic graphs to include temporal information, and initial results applying semantic graph techniques to SAR image data. We describe an efficient graph structure that includes geospatial and temporal information, which is designed to support simultaneous spatial and temporal search queries. We also report a preliminary implementation of feature recognition, semantic graph modeling, and graph search based on input SAR data. The report concludes with lessons learned and suggestions for future improvements.

Brost, Randolph C.; McLendon, William Clarence,

2013-01-01T23:59:59.000Z

57

Semantic Routed Network for Distributed Search Engines  

E-Print Network (OSTI)

Searching for textual information has become an important activity on the web. To satisfy the rising demand and user expectations, search systems should be fast, scalable and deliver relevant results. To decide which objects should be retrieved, search systems should compare holistic meanings of queries and text document objects, as perceived by humans. Existing techniques do not enable correct comparison of composite holistic meanings like: "evidences on role of DR2 gene in development of diabetes in Caucasian population", which is composed of multiple elementary meanings: "evidence", "DR2 gene", etc. Thus these techniques can not discern objects that have a common set of keywords but convey different meanings. Hence we need new methods to compare composite meanings for superior search quality. In distributed search engines, for scalability, speed and efficiency, index entries should be systematically distributed across multiple index-server nodes based on the meaning of the objects. Furthermore, queries should be selectively sent to those index nodes which have relevant entries. This requires an overlay Semantic Routed Network which will route messages, based on meaning. This network will consist of fast response networking appliances called semantic routers. These appliances need to: (a) carry out sophisticated meaning comparison computations at high speed; and (b) have the right kind of behavior to automatically organize an optimal index system. This dissertation presents the following artifacts that enable the above requirements: (1) An algebraic theory, a design of a data structure and related techniques to efficiently compare composite meanings. (2) Algorithms and accelerator architectures for high speed meaning comparisons inside semantic routers and index-server nodes. (3) An overlay network to deliver search queries to the index nodes based on meanings. (4) Algorithms to construct a self-organizing, distributed meaning based index system. The proposed techniques can compare composite meanings ~105 times faster than an equivalent software code and existing hardware designs. Whereas, the proposed index organization approach can lead to 33% savings in number of servers and power consumption in a model search engine having 700,000 servers. Therefore, using all these techniques, it is possible to design a Semantic Routed Network which has a potential to improve search results and response time, while saving resources.

Biswas, Amitava

2010-05-01T23:59:59.000Z

58

MuseumFinland-Finnish museums on the semantic web  

Science Conference Proceedings (OSTI)

This article presents the semantic portal MuseumFinland for publishing heterogeneous museum collections on the Semantic Web. It is shown how museums with their semantically rich and interrelated collection content can create a large, consolidated semantic ... Keywords: Information retrieval, Multi-facet search, Ontology, Recommendation system, Semantic web, View-based search

Eero Hyvönen; Eetu Mäkelä; Mirva Salminen; Arttu Valo; Kim Viljanen; Samppa Saarela; Miikka Junnila; Suvi Kettula

2005-10-01T23:59:59.000Z

59

Formation of Dense Partonic Matter in High Energy Heavy-Ion Collisions: Highlights of RHIC Results  

E-Print Network (OSTI)

I review some important results from RHIC experiments. They were obtained in a unique environment for studying QCD bulk matter at temperatures and densities that surpass the limits where hadrons can exist as individual entities, raising the quark-gluon degrees of freedom to prominence. These findings support the major experimental observations from measuring the bulk properties of particle production, particle ratios and chemical freeze-out conditions, elliptic flow followed by hard probes measurements: di-jet fragment azimuthal correlations, high-pt hadron suppression, and heavy-flavors probes. I present the measurements as a function of collision centrality, energy, system size and for different particle species. These results reveal that a dense strongly interacting medium was created in central Au+Au collisions at 200 GeV: the RHIC discovery. Further, they suggest that this medium is partonic. However, the discoveries so far observed at RHIC are far from being understood fully. Accordingly, the focus of the experiments has shifted from the discovery phase to the detailed exploration phase of the properties of this medium.

Rachid Nouicer

2009-01-07T23:59:59.000Z

60

Sustainable building technology knowledge representation: Using Semantic Web techniques  

Science Conference Proceedings (OSTI)

The global quest for sustainability in the exploitation of resources and the need for carbon foot-print reduction has resulted in the development of a large number of innovations and a huge amount of knowledge on sustainable building technologies. Unfortunately, ... Keywords: Knowledge representation, Ontology, Photovoltaic system, Semantic Web, Sustainable building technology

Joseph H. M. Tah; Henry F. Abanda

2011-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

System Model-Based Definition of Modeling Language Semantics  

Science Conference Proceedings (OSTI)

In this paper, we present an approach to define the semantics for object-oriented modeling languages. One important property of this semantics is to support underspecified and incomplete models. To this end, semantics is given as predicates over elements ...

Hans Grönniger; Jan Oliver Ringert; Bernhard Rumpe

2009-06-01T23:59:59.000Z

62

Ontology query languages for the Semantic Web.  

E-Print Network (OSTI)

??Ontology languages and corresponding query languages play key roles for representing and processing information about the real world for the emerging Semantic Web. Efforts have… (more)

Zhang, Zhijun

2005-01-01T23:59:59.000Z

63

Semantic Features for Classifying Referring Search Terms  

SciTech Connect

When an internet user clicks on a result in a search engine, a request is submitted to the destination web server that includes a referrer field containing the search terms given by the user. Using this information, website owners can analyze the search terms leading to their websites to better understand their visitors needs. This work explores some of the features that can be used for classification-based analysis of such referring search terms. We present initial results for the example task of classifying HTTP requests countries of origin. A system that can accurately predict the country of origin from query text may be a valuable complement to IP lookup methods which are susceptible to the obfuscation of dereferrers or proxies. We suggest that the addition of semantic features improves classifier performance in this example application. We begin by looking at related work and presenting our approach. After describing initial experiments and results, we discuss paths forward for this work.

May, Chandler J.; Henry, Michael J.; McGrath, Liam R.; Bell, Eric B.; Marshall, Eric J.; Gregory, Michelle L.

2012-05-11T23:59:59.000Z

64

Evaluating FrameNet-style semantic parsing: the role of coverage gaps in FrameNet  

Science Conference Proceedings (OSTI)

Supervised semantic role labeling (SRL) systems are generally claimed to have accuracies in the range of 80% and higher (Erk and Padó, 2006). These numbers, though, are the result of highly-restricted evaluations, i.e., typically evaluating on ...

Alexis Palmer; Caroline Sporleder

2010-08-01T23:59:59.000Z

65

Semantic browsing in large scale videos collection  

Science Conference Proceedings (OSTI)

With the increasing amount of video data being produced, there is a growing demand for more efficient tools of exploration and navigation to further improve the retrieval effectiveness. In this paper, we present a new approach for video browsing based ... Keywords: data visualization, interactive user interface, semantic similarity, video retrieval, video semantic browsing

Jamel Slimi, Sadek Mansouri, Anis Ben Ammar, Adel M. Alimi

2013-05-01T23:59:59.000Z

66

Imputing human descriptions in semantic biometrics  

Science Conference Proceedings (OSTI)

Human identification at a distance has received significant interest due to the ever increasing surveillance infrastructure. Biometrics such as face and gait offer a suitable physical attribute to uniquely identify people from a distance. When linking ... Keywords: SVD, biometrics, imputation, latent semantic analysis, semantic biometrics, surveillance

Daniel A. Reid; Mark S. Nixon

2010-10-01T23:59:59.000Z

67

Formal Semantics of the FLINT Intermediate Language  

E-Print Network (OSTI)

Formal Semantics of the FLINT Intermediate Language (Yale­CS­TR 1171) Christopher League Zhong Shao May 5, 1998 #12; Contents 1 Overview 3 1.1 Formal Semantics of FLINT . . . . . . . . . . . . . . . . . . . . . 4 1.2 Type Checker for FLINT . . . . . . . . . . . . . . . . . . . . . . 5 2 FLINT Abstract Syntax 8

68

Component models for semantic web languages  

Science Conference Proceedings (OSTI)

Intelligent applications and agents on the Semantic Web typically need to be specified with, or interact with specifications written in, many different kinds of formal languages. Such languages include ontology languages, data and metadata query languages, ... Keywords: composition, modularization, semantic web, software engineering

Jakob Henriksson; Uwe Aßmann

2009-01-01T23:59:59.000Z

69

Inferring Function Semantics to Optimize Queries  

E-Print Network (OSTI)

The goal of the COKO-KOLA project [10, 9] is to express rules of rule-based optimizers in a manner permitting verification with a theorem prover. In [10], we considered query transformations that were too general to be expressed with rewrite rules. In this paper, we consider the complementary issue of expressing query transformations that are too specifc for rewrite rules. Such transformations require rewrite rules to be supplemented with semantic conditions to guard rule firing. This work considers the expression of such transformations using conditional rewrite rules, and the expression of inference rules to guide the optimizer in deciding if semantic conditions hold. This work differs from existing work in semantic query optimization in that semantic transformations in our framework are verifiable with a theorem prover. Further, our use of inference rules to guide semantic reasoning makes our optimizer extensible in a manner that is complementary to the extensibility benefits of existing rule-based technology. 1

Mitch Cherniack; Stan Zdonik

1998-01-01T23:59:59.000Z

70

The function of semantics in automated language processing  

Science Conference Proceedings (OSTI)

This paper is a survey of some of the major semantic models that have been developed for automated semantic analysis of natural language. Current approaches to semantic analysis and logical inference are based mainly on models of human cognitive processes ... Keywords: computational linguistics, grammars, natural language processing, semantics

Milos Pacak; Arnold W. Pratt

1971-04-01T23:59:59.000Z

71

Well-Founded and Partial Stable Semantics Logical Aspects  

Science Conference Proceedings (OSTI)

This paper is devoted to logical aspects of two closely related semantics for logic programs: the partial stable model semantics of Przymusinski [20] and the well-founded semantics of Van Gelder, Ross and Schlipf [24]. For many years the following problem ... Keywords: equilibrium logic, partial equilibrium logic, partial stable models, well-founded semantics

Pedro Cabalar; Sergei Odintsov; David Pearce

2009-08-01T23:59:59.000Z

72

Category:Formatting Templates | Open Energy Information  

Open Energy Info (EERE)

source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Category Edit History Facebook icon Twitter icon » Category:Formatting Templates Jump to: navigation, search Formatting Templates are Templates used primarily to achieve a certian layout or style on a wiki page. They can be generic, like Template:Clear or specific, like Template:Definition. For help on creating templates, see Help:Templates. Subcategories This category has only the following subcategory. Q [×] Query Results Templates‎ 4 pages Pages in category "Formatting Templates" The following 200 pages are in this category, out of 465 total. (previous 200) (next 200) A Abraham Hot Springs Geothermal Area

73

DIPPER project 871 determination of ideal-gas enthalpies of formation for key compounds, The 1991 project results  

SciTech Connect

Results of a study aimed at improving group-contribution methodology for estimating thermodynamic properties of organic substances are reported. Specific weaknesses where particular group-contribution terms were unknown, or estimated because of lack of experimental data, are addressed by experimental studies of enthalpies of combustion in condensed phase, vapor-pressure measurements, and differential scanning calorimetric (d.s.c.) heat-capacity measurements. Ideal-gas enthalpies of formation of cyclohexene, phthalan (2,5-dihydrobenzo-3,4-furan), isoxazole, n-octylamine, di-n-octylamine, tri-n-octylamine, phenyl isocyanate, and 1,4,5,6-tetrahydropyrimidine are reported. Two-phase (liquid + vapor) heat capacities were determined for phthalan, isoxazole, the three octylamines, and phenyl isocyanate. Liquid-phase densities along the saturation line were measured for phthalan and isoxazole at 298 to 425 K. The critical temperature and critical density of n-octylamine were determined from d.s.c. results and critical pressure derived from the fitting procedures. Fitting procedures were used to derive critical temperatures, pressures, and densities for cyclohexene (pressure and density only), phthalan, isoxazole, di-n-octylamine, and phenyl isocyanate. Group-additivity parameters or ring-correction terms are derived.

Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Tasker, I.R.

1993-09-01T23:59:59.000Z

74

R.: Adding Semantics to Business Intelligence  

E-Print Network (OSTI)

Despite the importance of analytical tools to organisations, they still lack the inference power needed to solve the requests of decision makers in a flexible way. Our approach aims at integrating business semantics into analytical tools by providing semantic descriptions of exploratory functionalities and available services. We propose an architecture for business intelligence, which uses semantic web technology based on IRSIII. In addition, we present OntoDSS, a prototype tool based on this architecture that illustrates some of the functionalities that may be provided to decision makers within an application scenario. 1

Denilson Sell; Liliana Cabral; Enrico Motta; John Domingue; Roberto Pacheco

2005-01-01T23:59:59.000Z

75

'Open Data' and the Semantic Web Require a Rethink on Statistics Teaching  

E-Print Network (OSTI)

Data' and the Semantic Web Require a Rethink on Statistics3. OPEN DATA AND THE SEMANTIC WEB: PROMISES ANDPITFALLS The ‘semantic web’ (sometimes referred to as Web

Ridgway, Jim; Nicholson, James; McCusker, Sean

2013-01-01T23:59:59.000Z

76

The TextCap semantic interpreter  

Science Conference Proceedings (OSTI)

The lack of large amounts of readily available, explicitly represented knowledge has long been recognized as a barrier to applications requiring semantic knowledge such as machine translation and question answering. This problem is analogous to that ...

Charles B. Callaway

2008-09-01T23:59:59.000Z

77

Web services roadmap: The Semantic Web perspective  

E-Print Network (OSTI)

Recently the field of Web services has gained focus both in industry and academia. While industry has been mostly interested in standardisation and promotion of the technology, academia has been looking for ways to fit the technology into other frameworks, such as the Semantic Web. Anyway, despite of the increased academic and commercial interest to Web services, there are currently only few case studies available about Web services in the Semantic Web context. Moreover, according to authors ’ knowledge, there is no publicly available study analysing which data is currently mostly provided/required by Web services. In this paper we target these shortcomings by providing a case study of semantically annotated commercial and governmental Web services. We analyse interaction and potential synergy between commercial and governmental Web services. Also the role ontologies for semantic integration of Web services is analysed. Moreover, we identify the most common data exploited by current Web services. 1

Peep Küngas

2006-01-01T23:59:59.000Z

78

Reconciling Semantic Heterogeneity in Web Services Composition  

E-Print Network (OSTI)

Service Oriented Computing (SOC) is a popular computing paradigm for the development of distributed Web applications. Service composition, a key element of SOC, is severely hampered by various types of semantic heterogeneity ...

Li, Xitong

79

Semantically federating multi-agent organizations  

Science Conference Proceedings (OSTI)

We believe that successful co-operation between multi-agent systems providing services in a specific domain can be realized by constructing an infrastructure that supports the semantic interoperability between them. In this paper , we introduce a conceptual ...

Riza Cenk Erdur; Oguz Dikenelli; Inanç Seylan; Önder Gürcan

2004-10-01T23:59:59.000Z

80

Multimedia Semantic Features and Image Content Description  

Science Conference Proceedings (OSTI)

Content-based indexing and retrieval of images and video requires a proper semantic description for image content. This paper discusses the mapping of high-level, application-specific, features to the visual primitives that are accessible through image ...

M. Cavazza; R. J. Green; I. J. Palmer

1998-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

A system for semantic query optimization  

Science Conference Proceedings (OSTI)

This paper describes a scheme to utilize semantic integrity constraints in optimizing a user specified query. The scheme uses a graph theoretic approach to identify redundant join clauses and redundant restriction clauses specified in a user query. An ...

Sreekumar T. Shenoy; Z. Meral Ozsoyoglu

1987-12-01T23:59:59.000Z

82

Article semantics in second language acquisition  

E-Print Network (OSTI)

This thesis examines article choice and parameter-setting in second language (L2) acquisition. It argues, on the basis of L2-English elicitation and production data, that L2- learners have access to UG-based semantic ...

Ionin, Tania

2003-01-01T23:59:59.000Z

83

24.973 Advanced Semantics, Spring 2005  

E-Print Network (OSTI)

Current work on semantics and questions of logic and meaning for syntactic systems in generative grammar. From the course home page: Course Description This course is the second of the three parts of our graduate introduction ...

Fintel, Kai von

84

Introduction: Ontologies, Semantic Technologies, and Intelligence  

Science Conference Proceedings (OSTI)

In recent years ontologies and semantic technologies more generally have begun to be applied to assist the intelligence community, for information integration, information-sharing, decision-support, and in many other applications. This chapter introduces ...

Terry Janssen; Leo Obrst; Werner Ceusters

2010-08-01T23:59:59.000Z

85

Question answering based on semantic structures  

Science Conference Proceedings (OSTI)

The ability to answer complex questions posed in Natural Language depends on (1) the depth of the available semantic representations and (2) the inferential mechanisms they support. In this paper we describe a QA architecture where questions are analyzed ...

Srini Narayanan; Sanda Harabagiu

2004-08-01T23:59:59.000Z

86

Adaptive learning of semantic locations and routes  

Science Conference Proceedings (OSTI)

Adaptation of devices and applications based on contextual information has a great potential to enhance usability and mitigate the increasing complexity of mobile devices. An important topic in context-aware computing is to learn semantic locations and ...

Keshu Zhang; Haifeng Li; Kari Torkkola; Mike Gardner

2007-09-01T23:59:59.000Z

87

Adaptive learning of semantic locations and routes  

Science Conference Proceedings (OSTI)

Adaptation of devices and applications based on contextual information has a great potential to enhance usability and mitigate the increasing complexity of mobile devices. An important topic in context-aware computing is to learn semantic locations and ...

Keshu Zhang; Haifeng Li; Kari Torkkola; Mike Gardner

2007-10-01T23:59:59.000Z

88

Linguistic and Semantic Passage Retrieval Strategies for Question Answering  

E-Print Network (OSTI)

Question Answering (QA) is the task of searching a large text collection for specific answers to questions posed in natural language. Many QA systems rely heavily on Natural Language Processing (NLP) technology, such as syntactic and semantic parsing and named entity recognition, for question analysis and for answer generation. To access the text collection, QA systems often use off-the-shelf bag-of-words Information Retrieval (IR) solutions, which rank results by matching a set of keyterms extracted from the question. There is a fundamental disconnect between the capabilities of the bag-of-words retrieval model and the retrieval needs of the QA system. Bag-of-words IR retrieves documents matching a query, but the QA system really needs documents that contain answers. Through question analysis, the QA system has compiled a sophisticated information need representation for what constitutes an answer to the question. This representation is composed of a set of linguistic and semantic constraints

Matthew W. Bilotti; Jamie Callan; Jaime Carbonell

2009-01-01T23:59:59.000Z

89

Static Semantic Analysis and Theorem Proving for CASL  

E-Print Network (OSTI)

. This paper presents a static semantic analysis for CASL, the Common Algebraic Specification Language. Abstract syntax trees are generated including subsorts and overloaded functions and predicates. The static semantic analysis, through the implementation of an overload resolution algorithm, checks and qualifies these abstract syntax trees. The result is a fully qualified CASL abstract syntax tree where the overloading has been resolved. This abstract syntax tree corresponds to a theory in the institution underlying CASL, subsorted partial first-order logic with sort generation constraints (SubPCFOL). Two ways of embedding SubPCFOL in higher-order logic (HOL) of the logical framework Isabelle are discussed: the first one from SubPFOL to HOL via PFOL (partial first-order logic) first drops subsorting and then partiality, and the second one is the counterpart via SubFOL (subsorted first-order logic). The C in SubPCFOL stands for sort generation constraints, which are translated separat...

Till Mossakowski; Kolyang; Bernd Krieg-Brückner

1998-01-01T23:59:59.000Z

90

Visions of a Semantic Molecular Future  

E-Print Network (OSTI)

(Ben O’Steen) and Open Citations CrystalEye (Nick England) Launch of Open Bibliographic Principles (Adrian Pohl) Some fundamentals for Semantic Science: ? Universities must jointly reclaim their scholarship ? Collaboration must be rewarded... for representation and communication. The tools to do this exist and are Libre; it is technically possible for authors to engage in Open Scholarship and to reclaim their central role in communicating semantic science. Protocols for best practice for Open...

Murray-Rust, Peter; Brooks, Brian; Bolton, Charlotte

2011-07-05T23:59:59.000Z

91

results | OpenEI Community  

Open Energy Info (EERE)

5 5 Varnish cache server Home Groups Community Central Green Button Applications Developer Utility Rate FRED: FRee Energy Database More Public Groups Private Groups Features Groups Blog posts Content Stream Documents Discussions Polls Q & A Events Notices My stuff Energy blogs 429 Throttled (bot load) Error 429 Throttled (bot load) Throttled (bot load) Guru Meditation: XID: 2142235135 Varnish cache server results Home Jweers's picture Submitted by Jweers(83) Contributor 16 May, 2013 - 14:22 Multicolor Maps from Compound Queries ask queries compound queries developer Google maps maps multicolor result formats results Semantic Mediawiki Hi all, Recently, a couple of people on OpenEI have asked me how to do compound (or multicolor) maps like this one: Syndicate content 429 Throttled (bot load)

92

Towards a Semantic Preservation System  

E-Print Network (OSTI)

Preserving access to file content requires preserving not just bits but also meaningful logical structures. The ongoing development of the Data Format Description Language (DFDL) is a completely general standard that addresses this need. The Defuddle parser is a generic parser that can use DFDL-style format descriptions to extract logical structures from ASCII or binary files written in those formats. DFDL and Defuddle provide a preservation capability that has minimal format-specific software and cleanly separates issues related to bits, formats, and logical content. Such a system has the potential to greatly reduce overall system development and maintenance costs as well as the per-file-format costs for long term preservation.

McGrath, Robert E; Rodriguez, Alejandro; Myers, Jim

2009-01-01T23:59:59.000Z

93

Learning semantic grammars with constructive inductive logic programming  

Science Conference Proceedings (OSTI)

Automating the construction of semantic grammars is a difficult and interesting problem for machine learning. This paper shows how the semantic-grammar acquisition problem can be viewed as the learning of search-control heuristics in a logic program. ...

John M. Zelle; Raymond J. Mooney

1993-07-01T23:59:59.000Z

94

User:GregZiebold/Semantic Map test | Open Energy Information  

Open Energy Info (EERE)

Share this page on Facebook icon Twitter icon User:GregZieboldSemantic Map test < User:GregZiebold Jump to: navigation, search Try a semantic map: Check for pages...

95

Coarse lexical semantic annotation with supersenses: an Arabic case study  

Science Conference Proceedings (OSTI)

"Lightweight" semantic annotation of text calls for a simple representation, ideally without requiring a semantic lexicon to achieve good coverage in the language and domain. In this paper, we repurpose WordNet's supersense tags for annotation, ...

Nathan Schneider; Behrang Mohit; Kemal Oflazer; Noah A. Smith

2012-07-01T23:59:59.000Z

96

Assessing the impact of frame semantics on textual entailment  

Science Conference Proceedings (OSTI)

In this article, we underpin the intuition that frame semantic information is a useful resource for modelling textual entailment. To this end, we provide a manual frame semantic annotation for the test set used in the second recognizing textual entailment ...

Aljoscha Burchardt; Marco Pennacchiotti; Stefan Thater; Manfred Pinkal

2009-10-01T23:59:59.000Z

97

Patent semantics : analysis, search and visualization of large text corpora  

E-Print Network (OSTI)

Patent Semantics is system for processing text documents by extracting features capturing their semantic content, and searching, clustering, and relating them by those same features. It is set apart from existing methodologies ...

Lucas, Christopher G

2004-01-01T23:59:59.000Z

98

Piggy bank: experience the semantic web inside your web browser  

Science Conference Proceedings (OSTI)

The Semantic Web Initiative envisions a Web wherein information is offered free of presentation, allowing more effective exchange and mixing across web sites and across web pages. But without substantial Semantic Web content, few tools will be written ...

David Huynh; Stefano Mazzocchi; David Karger

2005-11-01T23:59:59.000Z

99

Faceted Semantic Search for Personalized Social Search  

E-Print Network (OSTI)

Actual social networks (like Facebook, Twitter, Linkedin, ...) need to deal with vagueness on ontological indeterminacy. In this paper is analyzed the prototyping of a faceted semantic search for personalized social search using the "joint meaning" in a community environment. User researches in a "collaborative" environment defined by folksonomies can be supported by the most common features on the faceted semantic search. A solution for the context-aware personalized search is based on "joint meaning" understood as a joint construal of the creators of the contents and the user of the contents using the faced taxonomy with the Semantic Web. A proof-of concept prototype shows how the proposed methodological approach can also be applied to existing presentation components, built with different languages and/or component technologies.

Mas, Massimiliano Dal

2012-01-01T23:59:59.000Z

100

Automated resolution of semantic heterogeneity in multidatabases  

Science Conference Proceedings (OSTI)

A multidatabase system provides intergrated access to heterogeneous, autonomous local databases in a distributed system. An important problem in current multidatabase systems is identification of semantically similar data in different local databases. The Summary Schemas Model (SSM) is proposed as an extension to multidatabase systems to aid in semantic identification. The SSM uses a global data structure to abstract the information available in a multidatabase system. This abstracted form allows users to use their own terms. The system uses the global data structure to match the user`s terms to the semantically closest available system terms. A simulation of the SSM is presented to compare imprecise-query processing with corresponding query-processing costs in a standard multidatabase system. The costs and benefits of the SSM are discussed, and future research directions are presented. 57 refs., 15 figs.

Bright, M.W. [IBM Federal Systems Company, Gaithersburg, MD (United States); Hurson, A.R.; Pakzad, S. [Pennsylvania State Univ., University Park, PA (United States)

1994-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

An ERP study of semantic anomalies in second language processing  

Science Conference Proceedings (OSTI)

This study conducts an event-related potential (ERP) study to investigate the temporal neural dynamics of semantic processing in bilinguals. The experiment was done with Korean speakers of English as an L2, divided into two groups depending on their ... Keywords: N400, second language, semantic anomaly, semantic congruency, sentence processing

Jia Miao

2013-06-01T23:59:59.000Z

102

Semantic annotation based exploratory search for information analysts  

Science Conference Proceedings (OSTI)

The system presented in this article aims to improve information access through the use of semantic annotation utilizing a non-traditional approach. Instead of applying semantic annotations to enhance the internal information access mechanisms, we use ... Keywords: Empirical study, Exploratory search, Named entity, Semantic annotation, User interface

Jae-wook Ahn; Peter Brusilovsky; Jonathan Grady; Daqing He; Radu Florian

2010-07-01T23:59:59.000Z

103

Engineering a controlled natural language into semantic mediawiki  

Science Conference Proceedings (OSTI)

The Semantic Web is yet to gain mainstream recognition. In part this is caused by the relative complexity of the various semantic web formalisms, which act as a major barrier of entry to naive web users. In addition, in order for the Semantic Web to ...

Pradeep Dantuluri; Brian Davis; Pierre Ludwick; Siegfried Handschuh

2010-09-01T23:59:59.000Z

104

Semantic image interpretation of gamma ray profiles in petroleum exploration  

Science Conference Proceedings (OSTI)

This paper presents the S-Chart framework, an approach for semantic image interpretation of line charts; and the InteliStrata system, an application for semantic interpretation of gamma ray profiles. The S-Chart framework is structured as a set of knowledge ... Keywords: Gamma ray well log, Ontology, Semantic image interpretation, Stratigraphy, Symbol grounding problem, Visual knowledge

Sandro Rama Fiorini; Mara Abel; Claiton M. S. Scherer

2011-04-01T23:59:59.000Z

105

Database design and querying within the fuzzy semantic model  

Science Conference Proceedings (OSTI)

Fuzzy semantic model (FSM) is a data model that uses basic concepts of semantic modeling and supports handling fuzziness, uncertainty and imprecision of real-world at the attribute, entity and class levels. The paper presents the principles and constructs ... Keywords: Database design, Flexible querying, Fuzzy database, Semantic modeling

Rafik Bouaziz; Salem Chakhar; Vincent Mousseau; Sudha Ram; Abdelkader Telmoudi

2007-11-01T23:59:59.000Z

106

Inferring robot goals from violations of semantic knowledge  

Science Conference Proceedings (OSTI)

A growing body of literature shows that endowing a mobile robot with semantic knowledge and with the ability to reason from this knowledge can greatly increase its capabilities. In this paper, we present a novel use of semantic knowledge, to encode information ... Keywords: Description logics, Environment stabilization, Fault detection and isolation, Goal autonomy, Mobile robotics, Norms, Ontology, Planning, Semantic maps

Cipriano Galindo, Alessandro Saffiotti

2013-10-01T23:59:59.000Z

107

A formal semantics for the Taverna 2 workflow model  

Science Conference Proceedings (OSTI)

This paper presents a formal semantics for the Taverna 2 scientific workflow system. Taverna 2 is a successor to Taverna, an open-source workflow system broadly adopted within the e-science community worldwide. The new version improves upon the existing ... Keywords: Formal semantics, Scientific workflows, Taverna 2, Trace semantics

Jacek Sroka; Jan Hidders; Paolo Missier; Carole Goble

2010-09-01T23:59:59.000Z

108

Learning to map between ontologies on the semantic web  

Science Conference Proceedings (OSTI)

Ontologies play a prominent role on the Semantic Web. They make possible the widespread publication of machine understandable data, opening myriad opportunities for automated information processing. However, because of the Semantic Web's distributed ... Keywords: machine learning, ontology mapping, relaxation labeling, semantic web

AnHai Doan; Jayant Madhavan; Pedro Domingos; Alon Halevy

2002-05-01T23:59:59.000Z

109

Piggy Bank: Experience the Semantic Web inside your web browser  

Science Conference Proceedings (OSTI)

The Semantic Web Initiative envisions a Web wherein information is offered free of presentation, allowing more effective exchange and mixing across web sites and across web pages. But without substantial Semantic Web content, few tools will be written ... Keywords: Annotation, Browsing, Collaboration, Screen scraping, Semantic Web, Sharing, Tagging

David Huynh; Stefano Mazzocchi; David Karger

2007-03-01T23:59:59.000Z

110

Multilingual name disambiguation with semantic information  

Science Conference Proceedings (OSTI)

This paper studies the problem of name ambiguity which concerns the discovery of the different underlying meanings behind a name. We have developed a semantic approach on the basis of which a graph-based clustering algorithm determines the sets of the ...

Zornitsa Kozareva; Sonia Vázquez; Andrés Montoyo

2007-09-01T23:59:59.000Z

111

A Semantic Triplet Based Story Classifier  

Science Conference Proceedings (OSTI)

A story is defined as "an actor(s) taking action(s) that culminates in a resolution(s)." In this paper, we investigate the utility of standard keyword based features, statistical features based on shallow-parsing (such as density of POS tags and named ... Keywords: Feature extraction,Semantics,Accuracy,Organizations,Support vector machines,Humans,Standards organizations

Betul Ceran; Ravi Karad; Ajay Mandvekar; Steven R. Corman; Hasan Davulcu

2012-08-01T23:59:59.000Z

112

Enhancing clinical concept extraction with distributional semantics  

Science Conference Proceedings (OSTI)

Extracting concepts (such as drugs, symptoms, and diagnoses) from clinical narratives constitutes a basic enabling technology to unlock the knowledge within and support more advanced reasoning applications such as diagnosis explanation, disease progression ... Keywords: Clinical informatics, Distributional semantics, Information extraction, NER, NLP

Siddhartha Jonnalagadda; Trevor Cohen; Stephen Wu; Graciela Gonzalez

2012-02-01T23:59:59.000Z

113

HALO: haskell to logic through denotational semantics  

Science Conference Proceedings (OSTI)

Even well-typed programs can go wrong in modern functional languages, by encountering a pattern-match failure, or simply returning the wrong answer. An increasingly-popular response is to allow programmers to write contracts that express semantic properties, ... Keywords: first-order logic, static contract checking

Dimitrios Vytiniotis; Simon Peyton Jones; Koen Claessen; Dan Rosén

2013-01-01T23:59:59.000Z

114

Semantic distances for technology landscape visualization  

Science Conference Proceedings (OSTI)

This paper presents a novel approach to the visualization of research domains in science and technology. The proposed methodology is based on the use of bibliometrics; i.e., analysis is conducted using information regarding trends and patterns ... Keywords: Clustering, Data mining, Semantic distance, Technology forecasting

Wei Lee Woon; Stuart Madnick

2012-08-01T23:59:59.000Z

115

Semantic optimization techniques for preference queries  

Science Conference Proceedings (OSTI)

Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are parameterized by specific preference relations. Semantic optimization techniques ... Keywords: Integrity constraints, Preference queries, Query evaluation, Query optimization

Jan Chomicki

2007-07-01T23:59:59.000Z

116

Semantic web infrastructure for fungal enzyme biotechnologists  

Science Conference Proceedings (OSTI)

The FungalWeb Ontology seeks to support various data integration needs of enzyme biotechnology from inception to product roll. Serving as a knowledgebase for decision support, the conceptualization seeks to link fungal species with enzymes, enzyme substrates, ... Keywords: Description logic, Enzyme, Fungi, Ontology, Semantic Web

Christopher J. O. Baker; Arash Shaban-Nejad; Xiao Su; Volker Haarslev; Greg Butler

2006-09-01T23:59:59.000Z

117

Benchmarking RDF Schemas for the Semantic Web  

Science Conference Proceedings (OSTI)

Describing web resources using formal knowledge (i.e., creating metadata according to a formal representation of a domain of discourse) is the essence of the next evolution step of the Web, termed the Semantic Web. The W3C's RDF/S (Resource Description ...

Aimilia Magkanaraki; Sofia Alexaki; Vassilis Christophides; Dimitris Plexousakis

2002-06-01T23:59:59.000Z

118

Semantic Information Integration for Smart Grid Applications*  

E-Print Network (OSTI)

Chapter 19 Semantic Information Integration for Smart Grid Applications* Yogesh Simmhan, Qunzhi Zhou, and Viktor Prasanna* Abstract. The Los Angeles Smart Grid Project aims to use informatics that supports 1.4 million customers and a rich ecosystem of Smart Grid applications from users, third party

Prasanna, Viktor K.

119

Semantics and evaluation techniques for window aggregates in data streams  

E-Print Network (OSTI)

A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries. However, current stream systems suffer from a lack of an explicit definition of window semantics. As a result, their implementations unnecessarily confuse window definition with physical stream properties. This confusion complicates the stream system, and even worse, can hurt performance both in terms of memory usage and execution time. To address this problem, we propose a framework for defining window semantics, which can be used to express almost all types of windows of which we are aware, and which is easily extensible to other types of windows that may occur in the future. Based on this definition, we explore a one-pass query evaluation strategy, the Window-ID (WID) approach, for various types of window aggregate queries. WID significantly reduces both required memory space and execution time for a large class of window definitions. In addition, WID can leverage punctuations to gracefully handle disorder. Our experimental study shows that WID has better execution-time performance than existing window aggregate query evaluation options that retain and reprocess tuples, and has better latency-accuracy tradeoff performance for disordered input streams compared to using a fixed delay for disorder handling. 1.

Jin Li; David Maier; Kristin Tufte; Vassilis Papadimos; Peter A. Tucker

2005-01-01T23:59:59.000Z

120

A trust-semantic fusion-based recommendation approach for e-business applications  

Science Conference Proceedings (OSTI)

Collaborative Filtering (CF) is the most popular recommendation technique but still suffers from data sparsity, user and item cold-start problems, resulting in poor recommendation accuracy and reduced coverage. This study incorporates additional information ... Keywords: Cold-start, Collaborative filtering, Data sparsity, Information fusion, Recommender systems, Semantic filtering, Trust filtering

Qusai Shambour; Jie Lu

2012-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

B.: System Model-Based Definition of Modeling Language Semantics  

E-Print Network (OSTI)

Abstract. In this paper, we present an approach to define the semantics for object-oriented modeling languages. One important property of this semantics is to support underspecified and incomplete models. To this end, semantics is given as predicates over elements of the semantic domain. This domain is called the system model which is a general declarative characterization of object systems. The system model is very detailed since it captures various relevant structural, behavioral, and interaction aspects. This allows us to re-use the system model as a domain for various kinds of object-oriented modeling languages. As a major consequence, the integration of language semantics is straight-forward. The whole approach is supported by tools that do not constrain the semantics definition’s expressiveness and flexibility while making it machinecheckable. 1

Hans Grönniger; Jan Oliver Ringert; Bernhard Rumpe; Lehrstuhl Informatik (softwaretechnik) Rwth Aachen

2009-01-01T23:59:59.000Z

122

Semantic Web for Manufacturing Web Services  

Science Conference Proceedings (OSTI)

As markets become unexpectedly turbulent with a shortened product life cycle and a power shift towards buyers, the need for methods to rapidly and cost-effectively develop products, production facilities and supporting software is becoming urgent. The use of a virtual enterprise plays a vital role in surviving turbulent markets. However, its success requires reliable and large-scale interoperation among trading partners via a semantic web of trading partners' services whose properties, capabilities, and interfaces are encoded in an unambiguous as well as computer-understandable form. This paper demonstrates a promising approach to integration and interoperation between a design house and a manufacturer by developing semantic web services for business and engineering transactions. To this end, detailed activity and information flow diagrams are developed, in which the two trading partners exchange messages and documents. The properties and capabilities of the manufacturer sites are defined using DARPA Agent Markup Language (DAML) ontology definition language. The prototype development of semantic webs shows that enterprises can widely interoperate in an unambiguous and autonomous manner; hence, virtual enterprise is realizable at a low cost.

Kulvatunyou, Boonserm [ORNL; Ivezic, Nenad [ORNL

2002-06-01T23:59:59.000Z

123

CA manager framework: creating customised workflows for ontology population and semantic annotation  

Science Conference Proceedings (OSTI)

We present the Content Augmentation Manager Framework for creating various adapted workflows for ontology population and semantic annotation based on Semantic Web recommendations and UIMA precepts. This framework supports ontology population from text ... Keywords: ontology population, semantic annotation

Danica Damljanovic; Florence Amardeilh; Kalina Bontcheva

2009-09-01T23:59:59.000Z

124

A temporal description logic based access control model for expressing history constrained policies in semantic web  

Science Conference Proceedings (OSTI)

An access control model for Semantic Web should be compatible with the corresponding semantic model. The access control procedure(s) should also take the semantic relationships between the entities (specified as ontologies) into account. Considering ...

Fathieh Faghih; Morteza Amini; Rasool Jalili

2009-07-01T23:59:59.000Z

125

Generic Text Summarization Using Probabilistic Latent Semantic Indexing  

E-Print Network (OSTI)

Generic Text Summarization Using Probabilistic Latent Semantic Indexing Harendra Bhandari Graduate School of Information Science Nara Institute of Science and Technology Nara 630-0192, Japan harendra

126

Semantic search | Open Energy Information  

Open Energy Info (EERE)

|? |formatul |offset50 Previous Results 51 100 Next (20 | 50 | 100 | 250 | 500) Market Data for Renewable Energy Projects and Programs at NREL Mauritius-NREL Cooperation...

127

From RESTful Services to RDF: Connecting the Web and the Semantic Web  

E-Print Network (OSTI)

RDF data from Web resources . . . . . . . . . . . . . . .Contents 1 Introduction 2 Related Work 2.1 Semantic WebOWL-S: Semantic Markup for Web Services. Member Submission,

Alarcon, Rosa; Wilde, Erik

2010-01-01T23:59:59.000Z

128

Data.gov Paper Wins Award in International Semantic Web Challenge...  

NLE Websites -- All DOE Office Websites (Extended Search)

Paper Wins Award in International Semantic Web Challenge Developer Data Web Services Source Code Challenges Semantic Web Blogs Let's Talk Developers You are here Data.gov ...

129

An Abstract Schema for Representing Semantic Roles and Modelling the Syntax-Semantics Interface  

E-Print Network (OSTI)

113 uranium conversion experiments]. b. [Conceiver,Intentional They] had carried out [Conceived 113 uranium conversion experiments]. (30) a. [Agent You] have to visit [Entity your parents] every once ratified standards for semantic representation that will enable the exchange and reuse of (multilingual

130

Ontology-driven web-based semantic similarity  

Science Conference Proceedings (OSTI)

Estimation of the degree of semantic similarity/distance between concepts is a very common problem in research areas such as natural language processing, knowledge acquisition, information retrieval or data mining. In the past, many similarity measures ... Keywords: Information content, Knowledge discovery, Ontologies, Semantic similarity, Web

David Sánchez; Montserrat Batet; Aida Valls; Karina Gibert

2010-12-01T23:59:59.000Z

131

Approaches to Relating and Integrating Semantic Data from Heterogeneous Sources  

Science Conference Proceedings (OSTI)

Integrating and relating heterogeneous data using inference is one of the cornerstones of semantic technologies and there are a variety of ways in which this may be achieved. Cross source relationships can be automatically translated or inferred using ... Keywords: inference, semantic integration, OWL/RDF, rules, query

John Keeney; Aidan Boran; Ivan Bedini; Christopher J. Matheus; Peter F. Patel-Schneider

2011-08-01T23:59:59.000Z

132

Semantic interpretation of noun compounds using verbal and other paraphrases  

Science Conference Proceedings (OSTI)

We study the problem of semantic interpretation of noun compounds such as bee honey, malaria mosquito, apple cake, and stem cell. In particular, we explore the potential of using predicates that make explicit the hidden relation ... Keywords: Lexical semantics, Web as a corpus, machine translation, multiword expressions, noun compounds, paraphrases

Preslav I. Nakov; Marti A. Hearst

2013-07-01T23:59:59.000Z

133

Interactive image search by 2D semantic map  

Science Conference Proceedings (OSTI)

In this demo, we present a novel interactive image search system, image search by 2D semantic map. This system enables users to indicate what semantic concepts are expected to appear and even how these concepts are spatially distributed in the ... Keywords: color map, concept map, interactive image search

Hao Xu; Jingdong Wang; Xian-Sheng Hua; Shipeng Li

2010-04-01T23:59:59.000Z

134

Bridging the semantic gap in sports video retrieval and summarization  

Science Conference Proceedings (OSTI)

One of the major challenges facing current media management systems and related applications is the so-called ''semantic gap'' between the rich meaning that a user desires and the shallowness of the content descriptions that are automatically extracted ... Keywords: Event detection, Semantic video analysis, Video summarization

Baoxin Li; James H. Errico; Hao Pan; Ibrahim Sezan

2004-09-01T23:59:59.000Z

135

A Chinese Text Classification Approach Based on Semantic Web  

Science Conference Proceedings (OSTI)

This paper discusses a approach of Chinese text classification on semantic Web. It is given one classified technology based on the semantic concept established on the "How-net" . It extracts keywords from text, analyses the full text using the keywords ...

Shiqun Yin; Yuhui Qiu; Jike Ge; Fang Wang

2008-12-01T23:59:59.000Z

136

Intelligent provision of semantic web services in educational systems  

Science Conference Proceedings (OSTI)

The developed adaptation techniques in adaptive educational systems can be quite efficient; however, the systems' learning resources are usually stored in closed environments. This seems insufficient considering that the present-day learning environment ... Keywords: agent technology, e-learning systems, semantic web, semantic web services

Marija Zeli?; Marko Rosi?; Vlado Glavini?

2011-07-01T23:59:59.000Z

137

A comparative study of two short text semantic similarity measures  

Science Conference Proceedings (OSTI)

This paper describes a comparative study of STASIS and LSA. These measures of semantic similarity can be applied to short texts for use in Conversational Agents (CAs). CAs are computer programs that interact with humans through natural language dialogue. ... Keywords: benchmark, dialogue management, natural language, semantic similarity, sentence, user modeling

James O'Shea; Zuhair Bandar; Keeley Crockett; David McLean

2008-03-01T23:59:59.000Z

138

On the Computation of the Disjunctive Well-Founded Semantics  

Science Conference Proceedings (OSTI)

A characterization of the disjunctive well-founded semantics (DWFS) is given in terms of the Gelfond–Lifschitz transformation. This characterization is used to develop a top-down method of testing DWFS membership, employing a hyperresolution-like ... Keywords: bottom-up computation, disjunctive deductive databases, disjunctive logic programs, disjunctive well-founded semantics, top-down computation

C. A. Johnson

2001-05-01T23:59:59.000Z

139

The rewriting logic semantics project: A progress report  

Science Conference Proceedings (OSTI)

Rewriting logic is an executable logical framework well suited for the semantic definition of languages. Any such framework has to be judged by its effectiveness to bridge the existing gap between language definitions on the one hand, and language implementations ... Keywords: K, Maude, Programming languages, Rewriting logic, Semantics

José Meseguer, Grigore Ro?u

2013-10-01T23:59:59.000Z

140

WSMO-MX: A hybrid Semantic Web service matchmaker  

Science Conference Proceedings (OSTI)

The WSMO-MX service matchmaker applies different matching filters to retrieve Semantic Web services written in a dialect of the prominent service description language WSML-Rule. For this purpose, WSMO-MX recursively computes logic-based and syntactic ... Keywords: Semantic services, WSML, Web services, discovery, matchmaking, retrieval

Matthias Klusch; Frank Kaufer

2009-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Enterprise application reuse: Semantic discovery of business grid services  

Science Conference Proceedings (OSTI)

Web services have emerged as a prominent paradigm for the development of distributed software systems as they provide the potential for software to be modularized in a way that functionality can be described, discovered and deployed in a platform independent ... Keywords: Ontological modeling, Semantic Grid, Semantic search, Service discovery

David Bell; Simone A. Ludwig; Mark Lycett

2007-09-01T23:59:59.000Z

142

Fusing semantic aspects for image annotation and retrieval  

Science Conference Proceedings (OSTI)

In this paper, we present an approach based on probabilistic latent semantic analysis (PLSA) to achieve the task of automatic image annotation and retrieval. In order to model training data precisely, each image is represented as a bag of visual words. ... Keywords: Adaptive asymmetric learning, Automatic image annotation, Image retrieval, Latent aspect model, PLSA, Semantic gap, Textual word, Visual feature

Zhixin Li; Zhiping Shi; Xi Liu; Zhiqing Li; Zhongzhi Shi

2010-11-01T23:59:59.000Z

143

An ontology of time for the semantic web  

Science Conference Proceedings (OSTI)

In connection with the DAML project for bringing about the Semantic Web, an ontology of time is being developed for describing the temporal content of Web pages and the temporal properties of Web services. This ontology covers topological properties ... Keywords: clock and calendar, duration, ontology, semantic web, temporal information, temporal relation, time, time zone

Jerry R. Hobbs; Feng Pan

2004-03-01T23:59:59.000Z

144

Construction and applicability of military ontology for semantic data processing  

Science Conference Proceedings (OSTI)

Recently, ontology has been utilized as a crucial element in knowledge management and knowledge representation. In the military area, the importance of ontology is also increasing. If military ontology is provided, machines will be able to understand ... Keywords: ATCIS, MOBM, military ontology, semantic data processing, semantic web

Minyoung Ra; Donghee Yoo; Sungchun No

2013-06-01T23:59:59.000Z

145

An Ordering of Terms Based on Semantic Relatedness  

E-Print Network (OSTI)

An Ordering of Terms Based on Semantic Relatedness Abstract Term selection methods typically employ a statistical measure to filter or weight terms. Term expansion for IR may also depend on statistics, or use of terms based on a seman- tic relatedness measure. This semantic order can be exploited by term weighting

Tan, Chew Lim

146

Building application ontologies from descriptions of Semantic Web Services  

Science Conference Proceedings (OSTI)

The existence of an increasing number of different ontologies used in semantic web service fields raises numerous interoperation and communication problems with respect to service discovery, composition, and execution. Current approaches for ontology ... Keywords: Semantic Web Services, WSD algorithm, WordNet, ontology building, ontology merging

Xia Wang; Manfred Hauswirth; Tomas Vitvar; doug foxvog

2009-12-01T23:59:59.000Z

147

Semantic interoperability in building design: Methods and tools  

Science Conference Proceedings (OSTI)

Semantic interoperability is a crucial element to make building information models understandable and model data sharable across multiple design disciplines and heterogeneous computer systems. This paper presents a new approach and its software implementation ... Keywords: Building design object, Domain ontology, IFC standard, Semantic interoperability

Q. Z. Yang; Y. Zhang

2006-10-01T23:59:59.000Z

148

Association search in semantic web: search + inference  

E-Print Network (OSTI)

Association search is to search for certain instances in semantic web and then make inferences from and about the instances we have found. In this paper, we propose the problem of association search and our preliminary solution for it using Bayesian network. We first minutely define the association search and its categorization. We then define tasks in association search. In terms of Bayesian network, we take ontology taxonomy as network structure in Bayesian network. We use the query log of instances to estimate the network parameters. After the Bayesian network is constructed, we give the solution for association search in the network.

Liang Bangyong

2005-01-01T23:59:59.000Z

149

formatting | OpenEI Community  

Open Energy Info (EERE)

formatting formatting Home Jweers's picture Submitted by Jweers(83) Contributor 7 August, 2013 - 18:23 New Robust References! citation citing developer formatting reference Semantic Mediawiki wiki Check out the new Reference Form. Adding a reference object to OpenEI using this form is the most complete way to cite a reference. After providing the name of your reference, the form will ask for your document type. Rmckeel's picture Submitted by Rmckeel(297) Contributor 25 June, 2013 - 07:39 How to create formatted blocks to hold OpenEI wiki content content formatting user interface wiki The OpenEI wiki frontpage uses "boxes" that help organize content. These boxes are frequently re-used across the site. Syndicate content 429 Throttled (bot load) Error 429 Throttled (bot load)

150

A smart campus prototype for demonstrating the semantic integration of heterogeneous data  

Science Conference Proceedings (OSTI)

This paper describes the implementation of a Smart Campus application prototype that integrates heterogeneous data using semantic technologies. The prototype is based on a layered semantic architecture that facilitates semantic data access and integration ... Keywords: axioms, prototype, queries, rules, semantic integration

Aidan Boran; Ivan Bedini; Christopher J. Matheus; Peter F. Patel-Schneider; John Keeney

2011-08-01T23:59:59.000Z

151

Answering natural language queries over linked data graphs: a distributional semantics approach  

Science Conference Proceedings (OSTI)

This paper demonstrates Treo, a natural language query mechanism for Linked Data graphs. The approach uses a distributional semantic vector space model to semantically match user query terms with data, supporting vocabulary-independent (or ... Keywords: distributional-compositional semantics, knowledge graphs, natural language queries, schema-agnostic queries, semantic search

André Freitas; Fabrício F. de Faria; Seán O'Riain; Edward Curry

2013-07-01T23:59:59.000Z

152

A graph-based recovery and decomposition of Swanson's hypothesis using semantic predications  

Science Conference Proceedings (OSTI)

Objectives: This paper presents a methodology for recovering and decomposing Swanson's Raynaud Syndrome-Fish Oil hypothesis semi-automatically. The methodology leverages the semantics of assertions extracted from biomedical literature (called semantic ... Keywords: Background knowledge, Literature-Based Discovery (LBD), Semantic associations, Semantic predications, Subgraph creation, Swanson's hypothesis

Delroy Cameron; Olivier Bodenreider; Hima Yalamanchili; Tu Danh; Sreeram Vallabhaneni; Krishnaprasad Thirunarayan; Amit P. Sheth; Thomas C. Rindflesch

2013-04-01T23:59:59.000Z

153

A Temporal Description Logic Based Access Control Model for Expressing History Constrained Policies in Semantic Web  

Science Conference Proceedings (OSTI)

An access control model for Semantic Web should be compatible with the corresponding semantic model. The access control procedure(s) should also take the semantic relationships between the entities (specified as ontologies) into account. Considering ... Keywords: Access Control, Description Logic, Semantic Web, History of Accesses

Fathieh Faghih; Morteza Amini; Rasool Jalili

2009-07-01T23:59:59.000Z

154

Syntactic and semantic role labeling for Chinese framenet based on cascaded conditional random fields  

Science Conference Proceedings (OSTI)

The Chinese FrameNet Project is creating a lexical resource for Chinese, based on the principles of Frame Semantics and supported by corpus evidence. Due to the fact that syntactic and semantic role labeling (SSRL) is very necessary for deep natural ... Keywords: Chinese framenet, cascaded conditional random fields, frame semantics, syntactic and semantic role labeling

Hao Xiaoyan; Chang Xiaoming; Liu Kaiying

2009-08-01T23:59:59.000Z

155

Syntactic and Semantic Role Labeling for Chinese FrameNet Based on Cascaded Conditional Random Fields  

Science Conference Proceedings (OSTI)

The Chinese FrameNet Project is creating a lexical resource for Chinese, based on the principles of Frame Semantics and supported by corpus evidence. Due to the fact that syntactic and semantic role labeling (SSRL) is very necessary for deep natural ... Keywords: Frame Semantics, Chinese FrameNet, syntactic and semantic role labeling, cascaded conditional random fields

Hao Xiaoyan; Chang Xiaoming; Liu Kaiying

2009-08-01T23:59:59.000Z

156

Preservation of Memory for People in Semantic Memory Disorder: Further Category-Specific Semantic Dissociation  

E-Print Network (OSTI)

This paper focuses on how we represent biographical knowledge of familiar people, compared with other kinds of semantic information. Neuropsychological evidence appears to suggest that semantic memory has a categorical structure (see Caramazza & Shelton, 1998; McCarthy & Warrington, 1994). Dissociations have been described, for example, in which knowledge of inanimate categories (such as furniture and clothing) is better preserved than knowledge about living or animate categories (e.g., animals, birds). The reverse dissociation has also been reported, though more rarely, in which knowledge of living things is better preserved (e.g., Warrington & McCarthy, 1987). Some authors have claimed that apparent preservation of knowledge of inanimate objects is really an artifact of their greater familiarity or simpler structure when represented as line drawings (Funnell & Sheridan, 1992; Stewart, Parkin, & Hunkin, 1992). However, a nonliving > living dissociation can be observed even when potentially confounding factors are controlled (Farah, Meyer, & McMullen, 1996), and artifactual accounts cannot explain the reverse dissociation (living> nonliving) . Rather than suggesting that semantic memory has a taxonomic structure, however, findings such as these have been taken to indicate that semantic representations for different kinds of things in the COGNITIVENEUROPSYCHOLOGY, 2002, 19 (2), 113--133 2002 Psychology Press Ltd http://www.tandf.co.uk/journals/pp/02643294.html DOI:10.1080/02643290143000114 113 Requests for reprints should be addressed to Dr J.M. Kay, Department of Psychology, Exeter University, Exeter EX4 4QG, UK (Tel: 44 1392 264626; Fax: 44 1392 264623; Email: j.m.kay@exeter.ac.uk)

Janice Kay; J. Richard Hanley

2002-01-01T23:59:59.000Z

157

Process fault tolerance: semantics, design and applications for high performance computing  

E-Print Network (OSTI)

With increasing numbers of processors on current machines, the probability for node or link failures is also increasing. Therefore, application-level fault tolerance is becoming more of an important issue for both end-users and the institutions running the machines. In this paper we present the semantics of a fault-tolerant version of the message passing interface (MPI), the de-facto standard for communication in scientific applications, which gives applications the possibility to recover from a node or link error and continue execution in a well-defined way. We present the architecture of fault-tolerant MPI, an implementation of MPI using the semantics presented above as well as benchmark results with various applications. An example of a fault-tolerant parallel equation solver, performance results as well as the time for recovering from a process failure are furthermore detailed.

Jack J; Graham E. Fagg; Graham E. Fagg; Edgar Gabriel; Edgar Gabriel; Zizhong Chen; Zizhong Chen; Thara Angskun; Thara Angskun; George Bosilca; George Bosilca; Jelena Pjesivac-grbovic; Jelena Pjesivac-grbovic; Jack J. Dongarra

2004-01-01T23:59:59.000Z

158

An ontology-driven semantic mashup of gene and biological pathway information: Application to the domain of nicotine dependence  

Science Conference Proceedings (OSTI)

Objectives: This paper illustrates how Semantic Web technologies (especially RDF, OWL, and SPARQL) can support information integration and make it easy to create semantic mashups (semantically integrated resources). In the context of understanding the ... Keywords: Information integration, Nicotine dependence, Ontologies, Semantic mashup, Semantic web

Satya S. Sahoo; Olivier Bodenreider; Joni L. Rutter; Karen J. Skinner; Amit P. Sheth

2008-10-01T23:59:59.000Z

159

Semantic representation of digital ink in the classroom learning partner  

E-Print Network (OSTI)

The research presented in this thesis addresses a critical issue in the introduction of new tablet-PC-based educational technology in the classroom: interpretation and semantic representation of digital ink. The teaching ...

Rbeiz, Michel A

2006-01-01T23:59:59.000Z

160

On the semantics of phi features on pronouns  

E-Print Network (OSTI)

This thesis investigates three topics relating to the semantics of phi features on pronouns. Part I focuses on gender features on pronouns. Following previous studies (Cooper 1983, Heim & Kratzer 1998), I claim that they ...

Sudo, Yasutada, Ph. D. Massachusetts Institute of Technology

2012-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

A fully abstract view for local cause semantics  

Science Conference Proceedings (OSTI)

Recent technological trends have pushed concurrency and mobile computing to the mainstream. Too many semantics have been proposed to picture the behavior of concurrent systems, and their relationship has been a hot topic in concurrency. We aim in this ...

Jianxin Xue; Xiaoju Dong

2012-05-01T23:59:59.000Z

162

Relevant learning objects extraction based on semantic annotation  

Science Conference Proceedings (OSTI)

We propose, in this paper, a model that extracts automatically learning objects as response to a user request. To do this, we proceed by automatically annotating texts with semantic metadata. These metadata will allow us to index and extract learning ...

Boutheina Smine; Rim Faiz; Jean-Pierre Desclés

2013-05-01T23:59:59.000Z

163

A process-algebraic semantics for generalised nonblocking  

Science Conference Proceedings (OSTI)

Generalised nonblocking is a weak liveness property to express the ability of a system to terminate under given preconditions. This paper studies the notions of equivalence and refinement that preserve generalised nonblocking and proposes a semantic ...

Simon Ware, Robi Malik

2011-01-01T23:59:59.000Z

164

Functional Anatomy of Perceptual and Semantic Processing for Odors  

Science Conference Proceedings (OSTI)

The functional anatomy of perceptual and semantic processings for odors was studied using positron emission tomography (PET). The first experiment was a pretest in which 71 normal subjects were asked to rate 185 odorants in terms of intensity, familiarity, ...

Jean-P. Royet; Olivier Koenig; Marie-C. Gregoire; Luc Cinotti; Frank Lavenne; Didier Le Bars; Nicolas Costes; Michel Vigouroux; Vincent Farget; Gilles Sicard; André Holley; François Mauguière; Dominique Comar; Jean-C. Froment

1999-01-01T23:59:59.000Z

165

A context model for semantic mediation in web services composition  

Science Conference Proceedings (OSTI)

This paper presents a context-driven approach that aims at supporting semantic mediation between composed Web services. Despite the widespread adoption of Web services by the IT community, innovative solutions are needed in order to overcome the challenging ...

Michael Mrissa; Chirine Ghedira; Djamal Benslimane; Zakaria Maamar

2006-11-01T23:59:59.000Z

166

Semantic decoupling: reducing the impact of requirement changes  

E-Print Network (OSTI)

The continuous stream of requirements changes that often takes place during software development and can create major problems in the development process. This paper defines a concept we call semantic coupling that can be ...

Navarro, Israel

167

On designing controlled natural languages for semantic annotation  

Science Conference Proceedings (OSTI)

Manual semantic annotation is a complex and arduous task both time-consuming and costly often requiring specialist annotators. (Semi)-automatic annotation tools attempt to ease this process by detecting instances of classes within text and relationships ...

Brian Davis; Pradeep Dantuluri; Laura Dragan; Siegfried Handschuh; Hamish Cunningham

2009-06-01T23:59:59.000Z

168

LKMS: a legal knowledge management system exploiting semantic web technologies  

Science Conference Proceedings (OSTI)

Semantic Web, using formal languages to represent document content and providing facilities for aggregating information spread around, can improve the functionalities provided nowadays by KM tools. This paper describes a Knowledge Management system, ...

Luca Gilardoni; Chistian Biasuzzi; Massimo Ferraro; Roberto Fonti; Piercarlo Slavazza

2005-11-01T23:59:59.000Z

169

Using lexical and relational similarity to classify semantic relations  

Science Conference Proceedings (OSTI)

Many methods are available for computing semantic similarity between individual words, but certain NLP tasks require the comparison of word pairs. This paper presents a kernel-based framework for application to relational reasoning tasks of this kind. ...

Diarmuid Ó Séaghdha; Ann Copestake

2009-03-01T23:59:59.000Z

170

On Graph Based Interaction for Semantic Query Languages  

Science Conference Proceedings (OSTI)

In the last years, several proposals have been presented concerning graphical query languages working on diagrammatic representations of semantic data models. Such proposals are mainly based on two different user interaction modalities, i.e., to allow ...

Giuseppe Santucci

1996-09-01T23:59:59.000Z

171

Query-based database policy assurance using semantic web technologies  

E-Print Network (OSTI)

In this thesis, we present a novel approach to database security which looks at queries instead of the database tables themselves. In doing so, we use a number of Semantic Web technologies to define rules, translate queries, ...

Soltren, José Hiram

2009-01-01T23:59:59.000Z

172

Learning semantic structures from in-domain documents  

E-Print Network (OSTI)

Semantic analysis is a core area of natural language understanding that has typically focused on predicting domain-independent representations. However, such representations are unable to fully realize the rich diversity ...

Chen, Harr

2011-01-01T23:59:59.000Z

173

Distributional memory: A general framework for corpus-based semantics  

Science Conference Proceedings (OSTI)

Research into corpus-based semantics has focused on the development of ad hoc models that treat single tasks, or sets of closely related tasks, as unrelated challenges to be tackled by extracting different kinds of distributional information from the ...

Marco Baroni; Alessandro Lenci

2010-12-01T23:59:59.000Z

174

SEARCH RESULTS  

NLE Websites -- All DOE Office Websites (Extended Search)

Home | search results Please enter one or more search words. ADVANCED SEARCH with all the words with the exact phrase with at least one of the words without the words File Format...

175

Influence of defect formation as a result of incorporation of a Mn {delta} layer on the photosensitiviy spectrum of InGaAs/GaAs quantum wells  

Science Conference Proceedings (OSTI)

The influence of defect formation upon the deposition of a Mn {delta} layer and a GaAs coating layer (with the use of laser evaporation) on the photosensitivity spectra of heterostructures with InGaAs/GaAs quantum wells located in the near-surface region has been studied.

Gorshkov, A. P., E-mail: gorskovap@phys.unn.ru; Karpovich, I. A.; Pavlova, E. D.; Kalenteva, I. L. [Lobachevsky State University of Nizhny Novgorod (Russian Federation)

2012-02-15T23:59:59.000Z

176

Integrating syntactic and semantic analysis into the open information extraction paradigm  

Science Conference Proceedings (OSTI)

In this paper we present an approach aimed at enriching the Open Information Extraction paradigm with semantic relation ontologization by integrating syntactic and semantic features into its workflow. To achieve this goal, we combine deep syntactic analysis ...

Andrea Moro, Roberto Navigli

2013-08-01T23:59:59.000Z

177

Corpus-based semantic lexicon induction with Web-based corroboration  

Science Conference Proceedings (OSTI)

Various techniques have been developed to automatically induce semantic dictionaries from text corpora and from the Web. Our research combines corpus-based semantic lexicon induction with statistics acquired from the Web to improve the accuracy of automatically ...

Sean P. Igo; Ellen Riloff

2009-06-01T23:59:59.000Z

178

Structure Discovery in Large Semantic Graphs Using Extant Ontological Scaling and Descriptive Statistics  

Science Conference Proceedings (OSTI)

As semantic datasets grow to be very large and divergent, there is a need to identify and exploit their inherent semantic structure for discovery and optimization. Towards that end, we present here a novel methodology to identify the semantic structures inherent in an arbitrary semantic graph dataset. We first present the concept of an extant ontology as a statistical description of the semantic relations present amongst the typed entities modeled in the graph. This serves as a model of the underlying semantic structure to aid in discovery and visualization. We then describe a method of ontological scaling in which the ontology is employed as a hierarchical scaling filter to infer different resolution levels at which the graph structures are to be viewed or analyzed. We illustrate these methods on three large and publicly available semantic datasets containing more than one billion edges each. Keywords-Semantic Web; Visualization; Ontology; Multi-resolution Data Mining;

al-Saffar, Sinan; Joslyn, Cliff A.; Chappell, Alan R.

2011-07-18T23:59:59.000Z

179

The 3rd DBCLS BioHackathon: improving life science data integration with Semantic Web technologies  

E-Print Network (OSTI)

The story so far. J Semantic Web Inf Syst 2009, 5:1–22. 9.Splendiani A: RDFScape: Semantic Web meets systems biology.Discovery and Integration (SADI) Web service Design-Pattern,

2013-01-01T23:59:59.000Z

180

Semantic context detection using audio event fusion: camera-ready version  

Science Conference Proceedings (OSTI)

Semantic-level content analysis is a crucial issue in achieving efficient content retrieval and management. We propose a hierarchical approach that models audio events over a time series in order to accomplish semantic context detection. Two levels of ...

Wei-Ta Chu; Wen-Huang Cheng; Ja-Ling Wu

2006-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Framework for the development of spoken dialogue system based on collaboratively constructed semantic resources  

Science Conference Proceedings (OSTI)

We herein introduce our project of realizing a framework for the development of a spoken dialogue system based on collaboratively constructed semantic resources. We demonstrate that a semantic Web-oriented approach based on collaboratively constructed ...

Masahiro Araki; Daisuke Takegoshi

2012-06-01T23:59:59.000Z

182

ISReal: an open platform for semantic-based 3D simulations in the 3D internet  

Science Conference Proceedings (OSTI)

We present the first open and cross-disciplinary 3D Internet research platform, called ISReal, for intelligent 3D simulation of realities. Its core innovation is the comprehensively integrated application of semantic Web technologies, semantic services, ...

Patrick Kapahnke; Pascal Liedtke; Stefan Nesbigall; Stefan Warwas; Matthias Klusch

2010-11-01T23:59:59.000Z

183

Excitatory or inhibitory: a new semantic orientation extracts contradiction and causality from the web  

Science Conference Proceedings (OSTI)

We propose a new semantic orientation, Excitation, and its automatic acquisition method. Excitation is a semantic property of predicates that classifies them into excitatory, inhibitory and neutral. We show that Excitation is useful for extracting contradiction ...

Chikara Hashimoto; Kentaro Torisawa; Stijn De Saeger; Jong-Hoon Oh; Jun'ichi Kazama

2012-07-01T23:59:59.000Z

184

A journey to Semantic Web query federation in the life sciences  

E-Print Network (OSTI)

Background: As interest in adopting the Semantic Web in the biomedical domain continues to grow, Semantic Web technology has been evolving and maturing. A variety of technological approaches including triplestore technologies, ...

Paschke, Adrian

185

Distributional lexical semantics: Toward uniform representation paradigms for advanced acquisition and processing tasks  

Science Conference Proceedings (OSTI)

The distributional hypothesis states that words with similar distributional properties have similar semantic properties (Harris 1968). This perspective on word semantics, was early discussed in linguistics (Firth 1957; Harris 1968), and then successfully ...

R. Basili; M. Pennacchiotti

2010-10-01T23:59:59.000Z

186

Semantic Building Blocks for 21st Century Building Engineering  

NLE Websites -- All DOE Office Websites (Extended Search)

Semantic Building Blocks for 21st Century Building Engineering Semantic Building Blocks for 21st Century Building Engineering Speaker(s): Mark Palmer Date: October 2, 2009 - 12:00pm Location: 90-3122 The Building and Fire Research Laboratory (BFRL) of the National Institute of Standards and Technology (NIST) works to advance innovation and competitiveness of the U.S. building and fire safety industries. This presentation will introduce some of the work at BFRL to improve the design, construction and operation of the built environment and to advance the semantic infrastructure for integrated project design and delivery. With this context established, the presentation will examine research challenges and next steps for developing reference information models, industry data dictionaries and rule libraries for multidisciplinary collaboration to

187

SSTDE: an open source semantic spatiotemporal data engine for sensor web  

Science Conference Proceedings (OSTI)

Recently, many tools have emerged to manage sensor web data using Semantic Web technologies for effective heterogeneous data integration. However, a remaining challenge is how to manage the massive volumes of sensor data in their semantic form, i.e., ... Keywords: GeoSPARQL, graph index, hybrid architecture, semantic triple store, sensor web, spatiotemporal query

Liang Yu; Yong Liu; Jong Lee

2012-11-01T23:59:59.000Z

188

A semi-automatic text-based semantic video annotation system for Turkish facilitating multilingual retrieval  

Science Conference Proceedings (OSTI)

It is commonly acknowledged that ever-increasing video archives should be conveniently indexed with the conveyed semantic information to facilitate later video retrieval. Domain-independent semantic video indexing is usually carried out through manual ... Keywords: Information extraction, Multilingual video retrieval, Named entity recognition, Semantic video indexing, Video retrieval

Dilek KüçüK; Adnan Yaz?C?

2013-07-01T23:59:59.000Z

189

Distributed Semantic Web Data Management in HBase and MySQL Cluster  

Science Conference Proceedings (OSTI)

Various computing and data resources on the Web are being enhanced with machine-interpretable semantic descriptions to facilitate better search, discovery and integration. This interconnected metadata constitutes the Semantic Web, whose volume can potentially ... Keywords: Semantic Web, cloud computing, distributed database, SPARQL, SQL, RDF, query, performance, scalability, HBase, MySQL Cluster

Craig Franke; Samuel Morin; Artem Chebotko; John Abraham; Pearl Brazier

2011-07-01T23:59:59.000Z

190

Applications of Image Understanding in Semantics-Oriented Multimedia Information Retrieval  

E-Print Network (OSTI)

Applications of Image Understanding in Semantics-Oriented Multimedia Information Retrieval Zhongfei focuses on research in development of semantics-oriented multimedia information retrieval techniques. Semantics-oriented information retrieval addresses the e#11;ectiveness of the retrieval. With the goal

Zhang, Zhongfei "Mark"

191

A model-driven approach of ontological components for on- line semantic web information retrieval  

Science Conference Proceedings (OSTI)

With the development of Web engineering and the advent of the Semantic Web, adding a semantic dimension to the Web by the deployment of ontologies has contributed to solve many problems. Ontologies specify the knowledge shared by a community of a target ... Keywords: meta-ontology, on-line information retrieval, ontology building, ontology construction, ontology learning, semantic web

Hajer Baazaoui Zghal; Marie-Aude Aufaure; Nesrine Ben Mustapha

2007-12-01T23:59:59.000Z

192

The ESTEEM platform: enabling P2P semantic collaboration through emerging collective knowledge  

Science Conference Proceedings (OSTI)

In this paper, we present Esteem (Emergent Semantics and cooperaTion in multi-knowledgE EnvironMents), a community-based P2P platform for supporting semantic collaboration among a set of independent peers, without prior reciprocal knowledge and no predefined ... Keywords: Data and service discovery, Emergent collective knowledge, Ontologies, Semantic collaboration

Stefano Montanelli; Devis Bianchini; Carola Aiello; Roberto Baldoni; Cristiana Bolchini; Silvia Bonomi; Silvana Castano; Tiziana Catarci; Valeria Antonellis; Alfio Ferrara; Michele Melchiori; Elisa Quintarelli; Monica Scannapieco; Fabio A. Schreiber; Letizia Tanca

2011-04-01T23:59:59.000Z

193

Data management in Systems biology II - Outlook towards the semantic web  

E-Print Network (OSTI)

The benefit of using ontologies, defined by the respective data standards, is shown. It is presented how ontologies can be used for the semantic enrichment of data and how this can contribute to the vision of the semantic web to become true. The problems existing today on the way to a true semantic web are pinpointed, different semantic web standards, tools and development frameworks are overlooked and an outlook towards artificial intelligence and agents for searching and mining the data in the semantic web are given, paving the way from data management to information and in the end true knowledge management systems.

Mayer, Gerhard

2009-01-01T23:59:59.000Z

194

Cognitive load research and semantic apprehension of graphical linguistics  

Science Conference Proceedings (OSTI)

In knowledge-work, there are increasing amounts of complex information rendered by information technology, which has led to the common term, information overload. Information visualization is one area where empirically tested semantic theory has not ... Keywords: cognitive load, decision support systems, graphical linguistics, human-computer interaction, medical informatics

Michael Workman

2007-11-01T23:59:59.000Z

195

Semantic Web approach to smart link generation for Web navigations  

Science Conference Proceedings (OSTI)

The rapid development of the Internet has led to diverse applications of accessing various Web resources, such as Web pages, XML documents, pictures and video and audio files. Intelligently discovering how these Web resources are related in order to ... Keywords: OWL, RuleML, Web navigation, XLink, semantic Web

Shang-Juh Kao; I-Ching Hsu

2007-07-01T23:59:59.000Z

196

Ontological semantic technology for detecting insider threat and social engineering  

Science Conference Proceedings (OSTI)

This paper describes a computational system for detecting unintentional inferences in casual unsolicited and unrestricted verbal output of individuals, potentially responsible for leaked classified information to people with unauthorized access. Uses ... Keywords: default override, insider threat, natural language information assurance and security, ontological semantic technology, social engineering, unintended inference

Victor Raskin; Julia M. Taylor; Christian F. Hempelmann

2010-09-01T23:59:59.000Z

197

Identifying semantic differences in AspectJ programs  

Science Conference Proceedings (OSTI)

Program differencing is a common means of software debugging. Although many differencing algorithms have been proposed for procedural and object-oriented languages like C and Java, there is no differencing algorithm for aspect-oriented languages so far. ... Keywords: aop, aspectj, difference analysis, disjunctive matching, semantic analysis, static analysis

Martin Th Görg; Jianjun Zhao

2009-07-01T23:59:59.000Z

198

Generating semantic-based trajectories for indoor moving objects  

Science Conference Proceedings (OSTI)

This paper presents a novel method to generate semantic-based trajectories for indoor moving objects. Indoor moving objects management has been a research focus in recent years. In order to get the trajectory data of indoor moving objects, we have to ... Keywords: indoor space, moving objects, simulation, trajectory data

Huaishuai Wang; Peiquan Jin; Lei Zhao; Lanlan Zhang; Lihua Yue

2011-09-01T23:59:59.000Z

199

Formal semantics and expressiveness of a web service composition language  

Science Conference Proceedings (OSTI)

Web Services have become the standard for exposing services on the Internet. Since many operations require the collaboration between two or more services, the need to have languages to express Web Services compositions has emerged. In this paper, we ... Keywords: PEWS, operational semantics, web services, workflow patterns

Marcelo Guerra Hahn; Regina Motz; Alberto Pardo; Martin A. Musicante

2013-03-01T23:59:59.000Z

200

Shallow syntax analysis in Sanskrit guided by semantic nets constraints  

Science Conference Proceedings (OSTI)

We present the state of the art of a computational platform for the analysis of classical Sanskrit. The platform comprises modules for phonology, morphology, segmentation and shallow syntax analysis, organized around a structured lexical database. It ... Keywords: Sanskrit parser, computational linguistic, natuaral language processing, semantic net, syntax analysis

Gérard Huet

2006-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

LINDEN: linking named entities with knowledge base via semantic knowledge  

Science Conference Proceedings (OSTI)

Integrating the extracted facts with an existing knowledge base has raised an urgent need to address the problem of entity linking. Specifically, entity linking is the task to link the entity mention in text with the corresponding real world entity in ... Keywords: entity linking, fact integration, knowledge base, semantic knowledge, wikipedia

Wei Shen; Jianyong Wang; Ping Luo; Min Wang

2012-04-01T23:59:59.000Z

202

SITAC: discovering semantically identical temporally altering concepts in text archives  

Science Conference Proceedings (OSTI)

This paper demonstrates a system called SITAC based on our proposed approach to automate the discovery of concepts (called SITACs) in text sources that are identical semantically but alter their names over time. This system is developed to perform time-aware ... Keywords: association rules, information retrieval, query processing, ranking, temporal changes, text mining, web search

Amal Kaluarachchi; Debjani Roychoudhury; Aparna S. Varde; Gerhard Weikum

2011-03-01T23:59:59.000Z

203

A semantics driven user interface for virtual saarlouis  

Science Conference Proceedings (OSTI)

Virtual reality can support edutainment applications which seek to provide an engaging experience with virtual objects and spaces. However, these environments often contain scripted avatars and activities that lack the ability to respond or adapt to ... Keywords: ISReal, agents, semantic virtual worlds, virtual saarlouis

Deborah Richards; Stefan Warwas

2012-09-01T23:59:59.000Z

204

Semantic Patterns Steffen Staab, Michael Erdmann, Alexander Maedche  

E-Print Network (OSTI)

]), or systems that include temporal reasoning (e.g., for corporate history analysis [4]). 2 #12;the the claims we make with a case study considering as target representation systems OIL/FaCT [14], currently History When one tries to reuse semantics across boundaries stemming from the usage of different

Staab, Steffen

205

OWL: Capturing Semantic Information using a Standardized Web Ontology Language  

E-Print Network (OSTI)

) was launched in the US and it launched DAML-ONT #12;History Cont.. DAML project joined efforts with OIL Ontology Language History of OWL Characteristics of OWL Applications of OWL #12;SEMANTIC WEB Extension in a distributed environment #12;History of OWL Ontologies existed outside the computer science community

McLeod, Dennis

206

Semantics-aware open information extraction in the biomedical domain  

Science Conference Proceedings (OSTI)

The increasing amount of biomedical scientific literature published on the Web is demanding new tools and methods to automatically process and extract relevant information. Traditional information extraction has focused on recognizing well-defined entities ... Keywords: biomedical domain, relation extraction, semantic annotation

Victoria Nebot; Rafael Berlanga

2011-12-01T23:59:59.000Z

207

Building a companion website in the semantic web  

Science Conference Proceedings (OSTI)

A problem facing many textbook authors (including one of the authors of this paper) is the inevitable delay between new advances in the subject area and their incorporation in a new (paper) edition of the textbook. This means that some textbooks are ... Keywords: bloom's taxonomy, companion website, electronic publishing, semantic web, textbook

Timothy J. Miles-Board; Christopher P. Bailey; Wendy Hall; Leslie A. Carr

2004-05-01T23:59:59.000Z

208

On Negative Unfolding in the Answer Set Semantics  

Science Conference Proceedings (OSTI)

We study negative unfolding for logic programs from a viewpoint of preservation of the answer set semantics. To this end, we consider negative unfolding in terms of nested expressions by Lifschitz et al., and regard it as a combination of the replacement ...

Hirohisa Seki

2009-03-01T23:59:59.000Z

209

Extended Fuzzy Logic Programs with Fuzzy Answer Set Semantics  

Science Conference Proceedings (OSTI)

This paper extends fuzzy logic programs [12, 24] to allow the explicit representation of classical negation as well as non-monotonic negation, by introducing the notion of extended fuzzy logic programs. We present the fuzzy answer set semantics for the ...

Emad Saad

2009-08-01T23:59:59.000Z

210

Semantic errors in SQL queries: a quite complete list  

Science Conference Proceedings (OSTI)

We investigate classes of SQL queries which are syntactically correct, but certainly not intended, no matter for which task the query was written. For instance, queries that are contradictory, i.e. always return the empty set, are obviously not intended. ... Keywords: SQL, SQL exams, bugs, database courses, databases, errors, logical errors, queries, semantic errors, software correctness, static analysis, teaching

Stefan Brass; Christian Goldberg

2006-05-01T23:59:59.000Z

211

Spectral and T0-spaces in d-semantics  

Science Conference Proceedings (OSTI)

In [6] it is shown that if we interpret modal diamond as the derived set operator of a topological space (the so-called d-semantics), then the modal logic of all topological spaces is wK4--weak K4--which is obtained by adding the weak version ??p ...

Guram Bezhanishvili; Leo Esakia; David Gabelaia

2009-09-01T23:59:59.000Z

212

Addressing the semantic gap between video sensors and applications  

Science Conference Proceedings (OSTI)

In this paper, we propose a framework to support the bridging of applications and computer-vision based sensor networks. We argue that the semantic gap, the difference between the data collected in a sensor network and the information needed by the application, ... Keywords: data fusion, user interfaces, video sensors

Wu-chi Feng; Khanh Nguyen; Feng Liu; Thanh Dang

2013-02-01T23:59:59.000Z

213

A contextual semantic mediator for a distributed cooperative maintenance platform  

E-Print Network (OSTI)

platforms, Enterprise Asset Management Systems or CMMS (Computerized Maintenance Management System). Most the semantic mediator system for the platform of maintenance management. According to Wache et al in [24 and S2 two systems integrated in the maintenance platform. S1 is a system managing interventions

Paris-Sud XI, Université de

214

Semantic data integration and monitoring in the railway domain  

Science Conference Proceedings (OSTI)

Information integration is a key for further growth of efficiency in management decisions for the railway domain. In the context of the EU project InteGRail (funded in the 6th Framework Programme) an integration approach leveraged by ontologies known ... Keywords: data and system integration, distributed reasoning, information reuse, monitoring and maintenance, ontology, railway domain, semantic modeling

Jan-Gregor Fischer; Mikhail Roshchin; Gerhard Langer; Michael Pirker

2009-08-01T23:59:59.000Z

215

Semantic collaborative tagging for web APIs sharing and reuse  

Science Conference Proceedings (OSTI)

Sharing and reuse of Web APIs for fast development of Web applications require advanced searching facilities to enable Web designers to find the Web APIs they need. In this paper we describe a Web API semantic collaborative tagging system to be implemented ...

Devis Bianchini; Valeria De Antonellis; Michele Melchiori

2012-07-01T23:59:59.000Z

216

Semantic Web-Based Management of Routing Configurations  

Science Conference Proceedings (OSTI)

Today, network operators typically reason about network behaviour by observing the effects of a particular configuration in operation. This configuration process typically involves logging configuration changes and rolling back to a previous version ... Keywords: BGP, Conflict detection, Network management, Policy languages, Routing policy, Semantic web

Félix J. García Clemente; Jose M. Alcaraz Calero; Jorge Bernal Bernabé; Juan Manuel Marín Pérez; Gregorio Martínez Pérez; Antonio F. Gómez Skarmeta

2011-06-01T23:59:59.000Z

217

Using explicit semantic representations for user programming of sensor devices  

Science Conference Proceedings (OSTI)

As the demand for environmental sensing grows, there is an urgent need to improve access to observation data collected by sensor systems. However, sensing devices and the platforms on which they are deployed are highly heterogeneous in their capabilities ... Keywords: semantic sensor networks, sensor tasking

Kerry Taylor; Patrick Penkala

2009-12-01T23:59:59.000Z

218

Semantic Information Modeling for Emerging Applications in Smart Grid  

E-Print Network (OSTI)

Semantic Information Modeling for Emerging Applications in Smart Grid Qunzhi Zhou, Sreedhar Grid modernizes power grid by integrating digital and information technologies. Millions of smart existing and new information sources with the grow of Smart Grid information space. In particular, dynamic

Prasanna, Viktor K.

219

VALIDATION AND RESULTS OF A PSEUDO-MULTI-ZONE COMBUSTION TRAJECTORY PREDICTION MODEL FOR CAPTURING SOOT AND NOX FORMATION ON A MEDIUM DUTY DIESEL ENGINE  

SciTech Connect

A pseudo-multi-zone phenomenological model has been created with the ultimate goal of supporting efforts to enable broader commercialization of low temperature combustion modes in diesel engines. The benefits of low temperature combustion are the simultaneous reduction in soot and nitric oxide emissions and increased engine efficiency if combustion is properly controlled. Determining what qualifies as low temperature combustion for any given engine can be difficult without expensive emissions analysis equipment. This determination can be made off-line using computer models or through factory calibration procedures. This process could potentially be simplified if a real-time prediction model could be implemented to run for any engine platform this is the motivation for this study. The major benefit of this model is the ability for it to predict the combustion trajectory, i.e. local temperature and equivalence ratio in the burning zones. The model successfully captures all the expected trends based on the experimental data and even highlights an opportunity for simply using the average reaction temperature and equivalence ratio as an indicator of emissions levels alone - without solving formation sub-models. This general type of modeling effort is not new, but a major effort was made to minimize the calculation duration to enable implementation as an input to real-time next-cycle engine controller Instead of simply using the predicted engine out soot and NOx levels, control decisions could be made based on the trajectory. This has the potential to save large amounts of calibration time because with minor tuning (the model has only one automatically determined constant) it is hoped that the control algorithm would be generally applicable.

Bittle, Joshua A. [Texas A& M University] [Texas A& M University; Gao, Zhiming [ORNL] [ORNL; Jacobs, Timothy J. [Texas A& M University] [Texas A& M University

2013-01-01T23:59:59.000Z

220

From data to analysis: linking NWChem and Avogadro with the syntax and semantics of Chemical Markup Language  

Science Conference Proceedings (OSTI)

Background Multidisciplinary integrated research requires the ability to couple the diverse sets of data obtained from a range of complex experiments and computer simulations. Integrating data requires semantically rich information. In this paper the generation of semantically rich data from the NWChem computational chemistry software is discussed within the Chemical Markup Language (CML) framework. Results The NWChem computational chemistry software has been modified and coupled to the FoX library to write CML compliant XML data files. The FoX library was expanded to represent the lexical input files used by the computational chemistry software. Conclusions The production of CML compliant XML files for the computational chemistry software NWChem can be relatively easily accomplished using the FoX library. A unified computational chemistry or CompChem convention and dictionary needs to be developed through a community-based effort. The long-term goal is to enable a researcher to do Google-style chemistry and physics searches.

De Jong, Wibe A.; Walker, Andrew M.; Hanwell, Marcus D.

2013-05-24T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Answerfinder - question answering by combining lexical, syntactic and semantic information  

E-Print Network (OSTI)

We present a question answering system that combines information at the lexical, syntactic, and semantic levels, in the process to find and rank the candidate answer sentences. The candidate exact answers are extracted from the candidate answer sentences by means of a combination of information-extraction techniques (named entity recognition) and patterns based on logical forms. The system participated in the question answering track of TREC 2004. 1

Diego Mollá; Mary Gardiner

2004-01-01T23:59:59.000Z

222

Semantic Web Service Framework to Intelligent Distributed Manufacturing  

SciTech Connect

As markets become unexpectedly turbulent with a shortened product life cycle and a power shift towards buyers, the need for methods to develop products, production facilities, and supporting software rapidly and cost-effectively is becoming urgent. The use of a loosely integrated virtual enterprise based framework holds the potential of surviving changing market needs. However, its success requires reliable and large-scale interoperation among trading partners via a semantic web of trading partners services whose properties, capabilities, and interfaces are encoded in an unambiguous as well as computer-understandable form. This paper demonstrates a promising approach to integration and interoperation between a design house and a manufacturer that may or may not have prior relationship by developing semantic web services for business and engineering transactions. To this end, detailed activity and information flow diagrams are developed, in which the two trading partners exchange messages and documents. The properties and capabilities of the manufacturer sites are defined using DARPA Agent Markup Language (DAML) ontology definition language. The prototype development of semantic webs shows that enterprises can interoperate widely in an unambiguous and autonomous manner. This contributes towards the realization of virtual enterprises at a low cost.

Kulvatunyou, Boonserm [ORNL

2005-12-01T23:59:59.000Z

223

AL Hammuri, Laika Osama. (1996). Opinionating : Some Syntactic, Semantic and Prosodic Characteristics in British English Conversation.  

E-Print Network (OSTI)

Abstract AL Hammuri, Laika Osama. (1996). Opinionating : Some Syntactic, Semantic and Prosodic. Mohammad Al Anani). The present study aims at investigating some linguistic features which typically

224

Rainbow - Multiway Semantic Analysis of Websites  

Science Conference Proceedings (OSTI)

The Rainbow project aims at the development of areusable, modular architecture for web (particularly,website) analysis. Individual knowledge-based modulesseparately analyse different types of web data andcommunicate the results via web-service interface. ...

Vojtech Svátek; Jirka Kosek; Martin Labský; Jirí Bráza; Martin Kavalec; Miroslav Vacura; Vladimír Vávra; Václav Snásel

2003-09-01T23:59:59.000Z

225

Towards musical query-by-semantic-description using the CAL500 data set  

Science Conference Proceedings (OSTI)

Query-by-semantic-description (QBSD)is a natural paradigm for retrieving content from large databases of music. A major impediment to the development of good QBSD systems for music information retrieval has been the lack of a cleanly-labeled, publicly-available, ... Keywords: content-based music information retrieval, query-by-semantic-description, supervised multi-class classification

Douglas Turnbull; Luke Barrington; David Torres; Gert Lanckriet

2007-07-01T23:59:59.000Z

226

SyMSS: A syntax-based measure for short-text semantic similarity  

Science Conference Proceedings (OSTI)

Sentence and short-text semantic similarity measures are becoming an important part of many natural language processing tasks, such as text summarization and conversational agents. This paper presents SyMSS, a new method for computing short-text and ... Keywords: Linguistic tools for IS modeling, Natural language processing (NLP), Semantic similarity, Sentence similarity, Text DBs

Jesús Oliva; José Ignacio Serrano; María Dolores del Castillo; Ángel Iglesias

2011-04-01T23:59:59.000Z

227

Using lexico-semantic information for query expansion in passage retrieval for question answering  

Science Conference Proceedings (OSTI)

In this paper we investigate the use of several types of lexico-semantic information for query expansion in the passage retrieval component of our QA system. We have used four corpus-based methods to acquire semantically related words, and we have used ...

Lonneke van der Plas; Jörg Tiedemann

2008-08-01T23:59:59.000Z

228

Combining CSP and ObjectZ: Finite or Infinite Trace Semantics?  

E-Print Network (OSTI)

Combining CSP and Object­Z: Finite or Infinite Trace Semantics? Clemens Fischer Universit semantics as a means of combin­ ing CSP with Object­Z. The purpose of this combination is to more effectively specify complex, concurrent systems: while CSP is ideal for modelling systems of concurrent

Smith, Graeme

229

Combining CSP and ObjectZ: Finite or Infinite Trace Semantics?  

E-Print Network (OSTI)

Combining CSP and Object­Z: Finite or Infinite Trace Semantics? Clemens Fischer Universit semantics as a means of com­ bining CSP with Object­Z. The purpose of this combination is to more effectively specify complex, concurrent systems: while CSP is ideal for modelling systems of concurrent

Olderog, Ernst-Rüdiger

230

Using semantic technologies in digital libraries: a roadmap to quality evaluation  

Science Conference Proceedings (OSTI)

In digital libraries semantic techniques are often deployed to reduce the expensive manual overhead for indexing documents, maintaining metadata, or caching for future search. However, using such techniques may cause a decrease in a collection's quality ... Keywords: digital libraries, information quality, semantic technologies

Sascha Tönnies; Wolf-Tilo Balke

2009-09-01T23:59:59.000Z

231

Syntax as an Emergent Characteristic of the Evolution of Semantic Complexity  

Science Conference Proceedings (OSTI)

It is commonly argued that the rules of language, as distinct from its semantic features, are the characteristics which most clearly distinguish language from the communication systems of other species. A number of linguists (e.g., Chomsky 1972, ... Keywords: brain size, emergence, evolution, grammar, language, semantics, syntax

P. Thomas Schoenemann

1999-08-01T23:59:59.000Z

232

Extracting Semantics of Individual Places from Movement Data by Analyzing Temporal Patterns of Visits  

Science Conference Proceedings (OSTI)

Data reflecting movements of people, such as GPS or GSM tracks, can be a source of information about mobility behaviors and activities of people. Such information is required for various kinds of spatial planning in the public and business sectors. Movement ... Keywords: Mobility, movement, personal places, semantic interpretation, semantic trajectories, time series, visual analytics

2013-11-01T23:59:59.000Z

233

Java+ITP: A Verification Tool Based on Hoare Logic and Algebraic Semantics  

Science Conference Proceedings (OSTI)

Java+ITP is an experimental tool for the verification of properties of a sequential imperative subset of the Java language. It is based on an algebraic continuation passing style (CPS) semantics of this fragment as an equational theory in Maude. It supports ... Keywords: Hoare logic, Java, algebraic semantics, program verification

Ralf Sasse; José Meseguer

2007-07-01T23:59:59.000Z

234

Fuzziness measure on complete hedge algebras and quantifying semantics of terms in linear hedge algebras  

Science Conference Proceedings (OSTI)

In the paper, we shall examine the fuzziness measure (FM) of terms or of complete and linear hedge algebras of a linguistic variable. The notion of semantically quantifying mappings (SQMs) previously examined by the first author will be redefined more ... Keywords: Fuzziness measure of linguistic terms, Fuzziness of linguistic terms, Interpolative reasoning method, Linear hedge algebras, Membership functions, Semantically quantifying mappings

Nguyen Cat Ho; Nguyen Van Long

2007-02-01T23:59:59.000Z

235

Ontology-Driven construction of domain corpus with frame semantics annotations  

Science Conference Proceedings (OSTI)

Semantic Role Labeling plays a key role in many text mining applications. The development of SRL systems for the biomedical domain is frustrated by the lack of large domain specific corpora that are labeled with semantic roles. In this paper we proposed ...

He Tan; Rajaram Kaliyaperumal; Nirupama Benis

2012-03-01T23:59:59.000Z

236

Engineering Ontologies using Semantic Patterns Steffen Staab, Michael Erdmann Alexander Maedche  

E-Print Network (OSTI)

for insurance help desk [27]), or systems that in- clude temporal reasoning (e.g., for corporate history representation systems OIL/FaCT [14], currently the most prominent semantic layer on top of RDF(S), and SiLRi [13 of its History When one tries to reuse semantics across boundaries stemming from the usage of different

Staab, Steffen

237

Incorporating semantic knowledge into dynamic data processing for smart power grids  

Science Conference Proceedings (OSTI)

Semantic Web allows us to model and query time-invariant or slowly evolving knowledge using ontologies. Emerging applications in Cyber Physical Systems such as Smart Power Grids that require continuous information monitoring and integration present novel ... Keywords: complex event processing, semantic web, smart grid

Qunzhi Zhou; Yogesh Simmhan; Viktor Prasanna

2012-11-01T23:59:59.000Z

238

Distributional semantics with eyes: using image analysis to improve computational representations of word meaning  

Science Conference Proceedings (OSTI)

The current trend in image analysis and multimedia is to use information extracted from text and text processing techniques to help vision-related tasks, such as automated image annotation and generating semantically rich descriptions of images. In this ... Keywords: language, object recognition, semantics, visual words

Elia Bruni; Jasper Uijlings; Marco Baroni; Nicu Sebe

2012-10-01T23:59:59.000Z

239

Intelligence distribution for data processing in smart grids: A semantic approach  

Science Conference Proceedings (OSTI)

The smart grid vision demands both syntactic interoperability in order to physically be able to interchange data and semantic interoperability to properly understand and interpret its meaning. The IEC and the EPRI have backed to this end the harmonization ... Keywords: OWL-ontologies, Real-time processing, Semantic interoperability, Smart grid

Juan Carlos Nieves, Angelina Espinoza, Yoseba K. Penya, Mariano Ortega De Mues, Aitor PeñA

2013-09-01T23:59:59.000Z

240

Sem-Fit: A semantic based expert system to provide recommendations in the tourism domain  

Science Conference Proceedings (OSTI)

The hotel industry is one of the leading stakeholders in the tourism sector. In order to reduce the traveler's cost of seeking accommodations, enforce the return ratio efficiency of guest rooms and enhance total operating performance, evaluating and ... Keywords: Fuzzy logic, Hotels, Recommender systems, Semantic labeling, Semantic technologies

Ángel García-Crespo; José Luis López-Cuadrado; Ricardo Colomo-Palacios; Israel González-Carrasco; Belén Ruiz-Mezcua

2011-09-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Automatic representation of semantic abstraction of geographical data by means of classification  

Science Conference Proceedings (OSTI)

Providing Geographical Information Systems (GIS) with the mechanisms for processing geographical data based on their semantic abstraction is a task that at present is carried out in a number of research given their scope of applications. Tackling this ... Keywords: classification, geographical data, ontology, semantic

Rainer Larin Fonseca; Eduardo Garea Llano

2010-11-01T23:59:59.000Z

242

Semantic 3D CAD and its applications in construction industry: an outlook of construction data visualization  

Science Conference Proceedings (OSTI)

In response to the need of using electronic design data directly in construction management applications, many CAD developers have started implementing semantic data models in their CAD products using industry foundation classes (IFCs). While helpful, ... Keywords: 3D CAD, IFC, construction, data visualization, semantic

Zhigang Shen; Raja R. A. Issa; Linxia Gu

2007-06-01T23:59:59.000Z

243

A contract agreement policy-based workflow methodology for agents interacting in the semantic web  

Science Conference Proceedings (OSTI)

The Semantic Web aims at automating Web content understanding and user request satisfaction. Intelligent agents assist towards this by performing complex actions on behalf of their users into real-life applications, such as e-Contracts, which make transactions ... Keywords: defeasible reasoning, e-Contracts, intelligent agents, semantic web

Kalliopi Kravari; Grammati-Eirini Kastori; Nick Bassiliades; Guido Governatori

2010-10-01T23:59:59.000Z

244

Where the Semantic Web and Web 2.0 Meet Format Risk Management: P2 Registry  

E-Print Network (OSTI)

data established ontologies (glossaries of terms) that allowThe advantage of using such glossaries is there are manyencourages publication of a glossary or terminology with the

Tarrant, David; Hitchcock, Steve; Carr, Les

2009-01-01T23:59:59.000Z

245

File Formats  

NLE Websites -- All DOE Office Websites (Extended Search)

Home Page Home Page File Formats MODIS Product Subsets Output Data File Format Descriptions The MODIS product subsets for North America and Worldwide are available in several formats, which are described in the following text. MODIS Land Product ASCII Data Image Data Files in ASCII Grid Format QC-Filtered Data and Statistics Generated for this Request Land Cover Data in ASCII Grid Format Statistical Data for MODIS Land Products in Comma Separated Format Underlying BRDF Parameters Used in Generating this Request (available with Albedo MOD43B and MCD43B only) MODIS Land Product ASCII Data Description of File File Content: Data as read from MODIS Land Product HDF-EOS data files. These data are the starting point for deriving the other subset data products. Data Type: As indicated by Land Product Code (e.g., MOD15A2).

246

A Formal Ontology Reasoning with Individual Optimization: A Realization of the Semantic Web  

E-Print Network (OSTI)

Abstract. Answering a query over a group of RDF data pages is a trivial process. However, in the Semantic Web, there is a need for ontology technology. Consequently, OWL, a family of web ontology languages based on description logic, has been proposed for the Semantic Web. Answering a query over the SemanticWeb is thus not trivial, but a deductive process. However, the reasoning on OWL with data has an efficiency problem. Thus, we introduce optimization techniques for the inference algorithm. This work demonstrates the techniques for instance checking and instance retrieval problems with respect to ALC description logic which covers certain parts of OWL. 1

Pakornpong Pothipruk; Guido Governatori

2005-01-01T23:59:59.000Z

247

Automatic representation of the semantic relationships corresponding to a French surface expression  

Science Conference Proceedings (OSTI)

The work presented here is a preliminary study concerning the automatic translation of French natural language statements into the RESEDA semantic metalanguage. The text in natural language is first (pre) processed in order to obtain its syntactic structure. ...

Gian Piero Zarri

1983-02-01T23:59:59.000Z

248

Approximation fixpoint theory and the semantics of logic and answers set programs  

Science Conference Proceedings (OSTI)

Approximation Fixpoint Theory was developed as a fixpoint theory of lattice operators that provides a uniform formalization of four main semantics of three major nonmonotonic reasoning formalisms. This paper clarifies how this fixpoint theory can define ...

Marc Denecker; Maurice Bruynooghe; Joost Vennekens

2012-01-01T23:59:59.000Z

249

Ontologies are us: a unified model of social networks and semantics  

Science Conference Proceedings (OSTI)

In our work we extend the traditional bipartite model of ontologies with the social dimension, leading to a tripartite model of actors, concepts and instances. We demonstrate the application of this representation by showing how community-based semantics ...

Peter Mika

2005-11-01T23:59:59.000Z

250

Towards the formalization of guidelines care actions using patterns and semantic web technologies  

Science Conference Proceedings (OSTI)

Computer Interpretable Guidelines (CIG) have largely contributed to the simplification and dissemination of clinical guidelines. However, the formalization of CIG contents, especially care actions, is still an open issue. Actually, this information, ... Keywords: CIG, natural language processing, ontologies, semantic web

Cédric Pruski; Rodrigo Bonacin; Marcos Da Silveira

2011-07-01T23:59:59.000Z

251

Comparison of the baseline knowledge-, corpus-, and web-based similarity measures for semantic relations extraction  

Science Conference Proceedings (OSTI)

Unsupervised methods of semantic relations extraction rely on a similarity measure between lexical units. Similarity measures differ both in kinds of information they use and in the ways how this information is transformed into a similarity score. This ...

Alexander Panchenko

2011-07-01T23:59:59.000Z

252

Geometric, topological & semantic analysis of multi-building floor plan data  

E-Print Network (OSTI)

Generating a comprehensive model of a university campus or other large urban space is a challenging undertaking due to the size, geometric complexity, and levels of rich semantic information contained in inhabited environments. ...

Whiting, Emily J

2006-01-01T23:59:59.000Z

253

Combining compositionality and pagerank for the identification of semantic relations between biomedical words  

Science Conference Proceedings (OSTI)

The acquisition of semantic resources and relations is an important task for several applications, such as query expansion, information retrieval and extraction, machine translation. However, their validity should also be computed and indicated, especially ...

Thierry Hamon; Christopher Engström; Mounira Manser; Zina Badji; Natalia Grabar; Sergei Silvestrov

2012-06-01T23:59:59.000Z

254

An ontology-guided approach to change detection of the semantic web data  

Science Conference Proceedings (OSTI)

To achieve improved availability and performance, often, local copies of remote data from autonomous sources are maintained. Web search engines are the primary examples of such services. Increasingly, these services are utilizing the Semantic Web as ...

Li Qin; Vijayalakshmi Atluri

2006-01-01T23:59:59.000Z

255

Fine-tuned: Phonology and semantics affect first-to second-language zooming in  

Science Conference Proceedings (OSTI)

We investigate how L1 phonology and semantics affect processing of interlingual homographs by manipulating language context before, and auditory input during, a visual experiment in the L2. Three experiments contained German--English homograph primes ...

Kerrie E. Elston-Güttler; Thomas C. Gunter

2009-01-01T23:59:59.000Z

256

Trajectory Analysis and Semantic Region Modeling Using A Nonparametric Bayesian Model  

E-Print Network (OSTI)

We propose a novel nonparametric Bayesian model, Dual Hierarchical Dirichlet Processes (Dual-HDP), for trajectory analysis and semantic region modeling in surveillance settings, in an unsupervised way. In our approach, ...

Grimson, Eric

2008-06-24T23:59:59.000Z

257

Learning Document-Level Semantic Properties from Free-Text Annotations  

E-Print Network (OSTI)

This paper presents a new method for inferring the semantic properties of documents by leveraging free-text keyphrase annotations. Such annotations are becoming increasingly abundant due to the recent dramatic growth in ...

Branavan, Satchuthanan R.

258

Collective knowledge systems: Where the Social Web meets the Semantic Web  

Science Conference Proceedings (OSTI)

What can happen if we combine the best ideas from the Social Web and Semantic Web? The Social Web is an ecosystem of participation, where value is created by the aggregation of many individual user contributions. The Semantic Web is an ecosystem of data, ... Keywords: Collected intelligence, Collective intelligence, Collective knowledge systems, Human-machine systems, Learning from semistructured data, RealTravel, Snap-to-grid, Structured and unstructured data, TagCommons, Travel recommendation engine, Web 3.0

Tom Gruber

2008-02-01T23:59:59.000Z

259

Integrating semantic web technologies and geospatial catalog services for geospatial information discovery and processing in cyberinfrastructure  

Science Conference Proceedings (OSTI)

Abstract A geospatial catalogue service provides a network-based meta-information repository and interface for advertising and discovering shared geospatial data and services. Descriptive information (i.e., metadata) for geospatial data and services is structured and organized in catalogue services. The approaches currently available for searching and using that information are often inadequate. Semantic Web technologies show promise for better discovery methods by exploiting the underlying semantics. Such development needs special attention from the Cyberinfrastructure perspective, so that the traditional focus on discovery of and access to geospatial data can be expanded to support the increased demand for processing of geospatial information and discovery of knowledge. Semantic descriptions for geospatial data, services, and geoprocessing service chains are structured, organized, and registered through extending elements in the ebXML Registry Information Model (ebRIM) of a geospatial catalogue service, which follows the interface specifications of the Open Geospatial Consortium (OGC) Catalogue Services for the Web (CSW). The process models for geoprocessing service chains, as a type of geospatial knowledge, are captured, registered, and discoverable. Semantics-enhanced discovery for geospatial data, services/service chains, and process models is described. Semantic search middleware that can support virtual data product materialization is developed for the geospatial catalogue service. The creation of such a semantics-enhanced geospatial catalogue service is important in meeting the demands for geospatial information discovery and analysis in Cyberinfrastructure.

Yue, Peng [Wuhan University; Gong, Jianya [Wuhan University; Di, Liping [George Mason University; He, Lianlian [Hubei University; Wei, Yaxing [ORNL

2011-04-01T23:59:59.000Z

260

BIOMEDICAL SEMANTICS Bettembourg et al. Journal of Biomedical Semantics 2012, 3:7  

E-Print Network (OSTI)

of the gene-related analyses, the keywords to search the literature are not gene names anymore but GO terms results of 16. As there is no MeSH term for "lipid transport", we searched it in titles and abstracts or free text. The first part of each query involves one or more GO terms. The users can enter either

Paris-Sud XI, Université de

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Deregulated semantic cognition follows prefrontal and temporo-parietal damage: Evidence from the impact of task constraint on nonverbal object use  

Science Conference Proceedings (OSTI)

Semantic cognition, which encompasses all conceptually based behavior, is dependent on the successful interaction of two key components: conceptual representations and regulatory control. Qualitatively distinct disorders of semantic knowledge follow ...

Faye Corbett; Elizabeth Jefferies; Matthew A. Lambon Ralph

2011-05-01T23:59:59.000Z

262

Making mathematical problem solving exploratory and social-synergizing computer algebra systems with semantic and web-2.0 technology  

Science Conference Proceedings (OSTI)

Present computer algebra systems (CAS) are useful for sophisticated users, disregard the available information on the web and do not provide a social context for solving problems. In this paper we describe how semantic and web 2.0 technology can be used ... Keywords: Sage, computer algebra systems, semantic web technology, web 2.0

Rahul Breh; Vivek Kumar

2010-01-01T23:59:59.000Z

263

OpenEI-specific tutorial for Semantic search? | OpenEI Community  

Open Energy Info (EERE)

OpenEI-specific tutorial for Semantic search? OpenEI-specific tutorial for Semantic search? Home > Groups > Utility Rate Hello, I just joined today. Am impressed at what is here. Am looking for data on demand rate structures/charges for elec utils across USA. Appears I can query those at 'http://en.openei.org/wiki/Special:Ask' But am not familiar with syntax of or OpenEI's values for Semantic search. Am SAS programmer (where I'll import data) wondering if there is either a tutorial or examples available. Any pointers/suggestions appreciated! Thanks, Myles Submitted by MylesOKelly on 30 August, 2013 - 13:09 4 answers Points: 0 Very useful information. Thank you for sharing it. Thanks 99th 99thin on 9 September, 2013 - 00:19 Points: 0 Glad I could help get you on the right track Myles. There is not as simple

264

OpenEI-specific tutorial for Semantic search? | OpenEI Community  

Open Energy Info (EERE)

OpenEI-specific tutorial for Semantic search? OpenEI-specific tutorial for Semantic search? Home > Groups > Utility Rate Hello, I just joined today. Am impressed at what is here. Am looking for data on demand rate structures/charges for elec utils across USA. Appears I can query those at 'http://en.openei.org/wiki/Special:Ask' But am not familiar with syntax of or OpenEI's values for Semantic search. Am SAS programmer (where I'll import data) wondering if there is either a tutorial or examples available. Any pointers/suggestions appreciated! Thanks, Myles Submitted by MylesOKelly on 30 August, 2013 - 13:09 4 answers Points: 0 Very useful information. Thank you for sharing it. Thanks 99th 99thin on 9 September, 2013 - 00:19 Points: 0 Glad I could help get you on the right track Myles. There is not as simple

265

OpenEI-specific tutorial for Semantic search? | OpenEI Community  

Open Energy Info (EERE)

OpenEI-specific tutorial for Semantic search? OpenEI-specific tutorial for Semantic search? Home > Groups > Utility Rate Hello, I just joined today. Am impressed at what is here. Am looking for data on demand rate structures/charges for elec utils across USA. Appears I can query those at 'http://en.openei.org/wiki/Special:Ask' But am not familiar with syntax of or OpenEI's values for Semantic search. Am SAS programmer (where I'll import data) wondering if there is either a tutorial or examples available. Any pointers/suggestions appreciated! Thanks, Myles Submitted by MylesOKelly on 30 August, 2013 - 13:09 4 answers Points: 0 Very useful information. Thank you for sharing it. Thanks 99th 99thin on 9 September, 2013 - 00:19 Points: 0 Glad I could help get you on the right track Myles. There is not as simple

266

OpenEI-specific tutorial for Semantic search? | OpenEI Community  

Open Energy Info (EERE)

OpenEI-specific tutorial for Semantic search? OpenEI-specific tutorial for Semantic search? Home > Groups > Utility Rate Hello, I just joined today. Am impressed at what is here. Am looking for data on demand rate structures/charges for elec utils across USA. Appears I can query those at 'http://en.openei.org/wiki/Special:Ask' But am not familiar with syntax of or OpenEI's values for Semantic search. Am SAS programmer (where I'll import data) wondering if there is either a tutorial or examples available. Any pointers/suggestions appreciated! Thanks, Myles Submitted by MylesOKelly on 30 August, 2013 - 13:09 4 answers Points: 0 Very useful information. Thank you for sharing it. Thanks 99th 99thin on 9 September, 2013 - 00:19 Points: 0 Glad I could help get you on the right track Myles. There is not as simple

267

Search result presentation: supporting post-search navigation by integration of taxonomy data  

Science Conference Proceedings (OSTI)

As a result of additional semantic annotations and novel mining methods, Web site taxonomies are more and more available to machines, including search engines. Recent research shows that after a search result is clicked, users often continue navigating ... Keywords: clickstreams, search result presentation, taxonomies

Matthias Keller, Patrick Mühlschlegel, Hannes Hartenstein

2013-05-01T23:59:59.000Z

268

Using Semantic Web Technologies to Develop Intrinsically Resilient Energy Control Systems  

SciTech Connect

To preserve critical energy control functions while under attack, it is necessary to perform comprehensive analysis on root causes and impacts of cyber intrusions without sacrificing the availability of energy delivery. We propose to design an intrinsically resilient energy control system where we extensively utilize Semantic Web technologies, which play critical roles in knowledge representation and acquisition. While our ultimate goal is to ensure availability/resiliency of energy delivery functions and the capability to assess root causes and impacts of cyber intrusions, the focus of this paper is to demonstrate a proof of concept of how Semantic Web technologies can significantly contribute to resilient energy control systems.

Sheldon, Frederick T [ORNL; Huang, Jingshan [ORNL; Fetzer, Daniel T [ORNL; Morris, Thomas H [ORNL; Jonathan, Kirsch [Siemens Corporate Research; Goose, Stuart [Siemens Corporate Research; Wei, Dong [Siemens Corporate Research; Dang, Jiangbo [Siemens Corporate Research; Manz, David [Pacific Northwest National Laboratory (PNNL)

2012-01-01T23:59:59.000Z

269

Semantic Filtering by inference on domain knowledge in spoken language dialogue systems  

E-Print Network (OSTI)

General natural dialogue processing requires large amounts of domain knowledge as well as linguistic knowledge in order to ensure acceptable coverage and understanding. There are several ways of integrating lexical resources (e.g. dictionaries, thesauri) and knowledge bases or ontologies at different levels of dialogue processing. We concentrate in this paper on how to exploit domain knowledge for filtering interpretation hypotheses generated by a robust semantic parser. We use domain knowledge to semantically constrain the hypothesis space. Moreover, adding an inference mechanism allows us to complete the interpretation when information is not explicitly available. Further, we discuss briefly how this can be generalized towards a predictive natural interactive system.

Afzal Ballim; Vincenzo Pallotta

2000-01-01T23:59:59.000Z

270

Semantic security analysis of SCADA networks to detect malicious control commands in power grids  

Science Conference Proceedings (OSTI)

In the current generation of SCADA (Supervisory Control And Data Acquisition) systems used in power grids, a sophisticated attacker can exploit system vulnerabilities and use a legitimate maliciously crafted command to cause a wide range of system changes ... Keywords: contingency analysis, intrusion detection system, scada, semantic analysis

Hui Lin, Adam Slagell, Zbigniew Kalbarczyk, Peter W. Sauer, Ravishankar K. Iyer

2013-11-01T23:59:59.000Z

271

An Empirical Analysis of Semantic Techniques Applied to a Network Management Classification Problem  

Science Conference Proceedings (OSTI)

Semantic technologies are increasingly being employed to integrate, relate and classify heterogeneous data from various problem domains. To date, however, little empirical analysis has been carried out to help identify the benefits and limitations of ... Keywords: OWL, SWRL, SPARQL, axioms, rules, queries, network performance management

Aidan Boran; Ivan Bedini; Christopher J. Matheus; Peter F. Patel-Schneider; Stefan Bischof

2012-12-01T23:59:59.000Z

272

Incorporation of corpus-specific semantic information into question answering context  

Science Conference Proceedings (OSTI)

In today's environment of information overload, Question Answering (QA) is a critically important research area for the Semantic Web. In order for humans to make effective use of the expansive information sources available to us, we require automated ... Keywords: information retrieval, language modeling, question answering, statistical language modeling

Protima Banerjee; Hyoil Han

2008-10-01T23:59:59.000Z

273

A semantics for UML-RT active classes via mapping into circus  

Science Conference Proceedings (OSTI)

The lack of a formal semantics for UML-RT makes it inadequate for rigourous system development, especially if the preservation of behaviour is a major concern when applying well-known model transformations, like refactorings and refinements. In this ... Keywords: UML-RT, circus, method integration, model transformations

Rodrigo Ramos; Augusto Sampaio; Alexandre Mota

2005-06-01T23:59:59.000Z

274

A contextual semantic representation of learning assets in online communities of practice  

Science Conference Proceedings (OSTI)

This paper presents an ontology-based framework for a contextual semantic representation of learning assets within a Community of Practice of E-learning CoPE. The community, made up of actors from the e-learning domain teachers, tutors, pedagogues, administrators?, ...

Lamia Berkani; Azeddine Chikh

2013-05-01T23:59:59.000Z

275

Semantic knowledge facilities for a web-based recipe database system supporting personalization  

Science Conference Proceedings (OSTI)

The recent explosive proliferation of interesting and useful data over the Web such as various recipes, while providing people with readily available information, brings out a challenging issue on how to manage such non-conventional data effectively. ... Keywords: constraint and rule, cooking graph, knowledge base, personalization, recipe, semantic modeling, user profiling

Liping Wang; Qing Li; Guozhu Dong; Yu Li

2008-05-01T23:59:59.000Z

276

Efficient semantic kernel-based text classification using matching pursuit KFDA  

Science Conference Proceedings (OSTI)

A number of powerful kernel-based learning machines, such as support vector machines (SVMs), kernel Fisher discriminant analysis (KFDA), have been proposed with competitive performance. However, directly applying existing attractive kernel approaches ... Keywords: efficient text classification, kernel method, matching pursuit KFDA, semantic kernel

Qing Zhang; Jianwu Li; Zhiping Zhang

2011-11-01T23:59:59.000Z

277

A semantic-based mobile registry for dynamic RFID-based logistics support  

Science Conference Proceedings (OSTI)

In this paper we propose an extended version of the open source jUDDI implementation by the Apache Software Foundation, adapted to pervasive RFID contexts. The registry adopts an OWL-S 1.1 Profile instance annotation of mobile services and resources. ... Keywords: RFID, matchmaking, semantic web, ubiquitous computing

Michele Ruta; Tommaso Di Noia; Eugenio Di Sciascio; Giacomo Piscitelli; Floriano Scioscia

2008-08-01T23:59:59.000Z

278

Mobile Medicine: semantic computing management for health care applications on desktop and mobile devices  

Science Conference Proceedings (OSTI)

In many health care situations, powerful mobile tools may help to make decisions and provide support for continuous education and training. They can be useful in emergency conditions and for the supervised application of protocols and procedures. To ... Keywords: Automated production, Content distribution, Cross media content, DRM, Mobile Medicine, Semantic computing, iphone, mpeg-21, pda

Pierfrancesco Bellini; Ivan Bruno; Daniele Cenni; Alice Fuzier; Paolo Nesi; Michela Paolucci

2012-05-01T23:59:59.000Z

279

Mobile Ontology: Towards a Standardized Semantic Model for the Mobile Domain  

Science Conference Proceedings (OSTI)

Ontologies will be crucial for the future development of Next Generation Service Delivery Platforms. While various projects have defined ontologies for the mobile domain, there is yet little agreement on a common semantic model. One reason is the intrinsically ... Keywords: Next Generation Networks, Ontology, SPICE platform, Service Delivery Platform, mobile communications

Claudia Villalonga; Martin Strohbach; Niels Snoeck; Michael Sutterer; Mariano Belaunde; Ernö Kovacs; Anna V. Zhdanova; Laurent Walter Goix; Olaf Droegehorn

2009-01-01T23:59:59.000Z

280

AquaLog: an ontology-portable question answering system for the semantic web  

Science Conference Proceedings (OSTI)

As semantic markup becomes ubiquitous, it will become important to be able to ask queries and obtain answers, using natural language (NL) expressions, rather than the keyword-based retrieval mechanisms used by the current search engines. AquaLog is a ...

Vanessa Lopez; Michele Pasin; Enrico Motta

2005-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Adding semantic annotations, navigation paths and tour guides to existing virtual environments  

Science Conference Proceedings (OSTI)

Nowadays, more Virtual Environments (VEs) are becoming available on the Web. This means that VEs are becoming accessible to a larger and more diverse audience. It also means that it is more likely that the use of these VEs (i.e. how to interact with ... Keywords: navigation paths, semantic annotations, tour guides, virtual reality

Frederic Kleinermann; Olga De Troyer; Christophe Creelle; Bram Pellens

2007-09-01T23:59:59.000Z

282

Using semantic templates to study vulnerabilities recorded in large software repositories  

Science Conference Proceedings (OSTI)

Software repositories are rich sources of information about vulnerabilities that occur during a product's lifecycle. Although available, such information is scattered across numerous databases. Furthermore, in large software repositories, a single vulnerability ... Keywords: CVE, CWE, buffer overflow, fix patterns, ontology, semantic template, software repository, vulnerability

Yan Wu; Robin A. Gandhi; Harvey Siy

2010-05-01T23:59:59.000Z

283

Semantics and implementation of continuous sliding window queries over data streams  

Science Conference Proceedings (OSTI)

In recent years the processing of continuous queries over potentially infinite data streams has attracted a lot of research attention. We observed that the majority of work addresses individual stream operations and system-related issues rather than ... Keywords: Semantics, continuous queries, data streams, query optimization

Jürgen Krämer; Bernhard Seeger

2009-04-01T23:59:59.000Z

284

Semantic audio content-based music recommendation and visualization based on user preference examples  

Science Conference Proceedings (OSTI)

Preference elicitation is a challenging fundamental problem when designing recommender systems. In the present work we propose a content-based technique to automatically generate a semantic representation of the user's musical preferences directly from ... Keywords: Evaluation, Information systems, Music information retrieval, Preference visualization, Recommender system, User modeling

Dmitry Bogdanov; MartíN Haro; Ferdinand Fuhrmann; Anna Xambó; Emilia GóMez; Perfecto Herrera

2013-01-01T23:59:59.000Z

285

LEAPS: realising the potential of algal biomass production through semantic web and linked data  

Science Conference Proceedings (OSTI)

Recently algal biomass has been identified as a potential source of large scale production of biofuels. Governments, environmental research councils and special interests groups are funding several efforts that investigate renewable energy production ... Keywords: SPARQL, algal biomass, linked data, ontologies, semantic web

Monika Solanki; Johannes Skarka; Craig Chapman

2012-09-01T23:59:59.000Z

286

Combining global and local semantic contexts for improving biomedical information retrieval  

E-Print Network (OSTI)

Combining global and local semantic contexts for improving biomedical information retrieval Duy,lechani}@irit.fr Abstract. In the context of biomedical information retrieval (IR), this paper explores the relationship, Concept Extraction, Document Expan- sion, Query Expansion, Biomedical Information Retrieval 1 Introduction

Paris-Sud XI, Université de

287

Study of semantic features of dimensional adjective Cu 'thick' in mandarin chinese  

Science Conference Proceedings (OSTI)

Cu 'thick' is an adjective which is used to describe an object's spatial dimension of thickness. Cu 'thick' used to describe cylindrical objects shares the same sense in essence with Cu 'thick' used to describe granular objects, ... Keywords: Cu 'thick', dimensional adjective, semantic features

Ying Wu

2012-07-01T23:59:59.000Z

288

HealthFinland-A national semantic publishing network and portal for health information  

Science Conference Proceedings (OSTI)

Providing citizens with reliable, up-to-date and individually relevant health information on the Web is done by governmental, non-governmental, business and other organizations. Currently the information is published with little co-ordination and co-operation ... Keywords: Content aggregation, Faceted search, Health information, Metadata, Ontology service, Semantic portal

Osma Suominen; Eero Hyvönen; Kim Viljanen; Eija Hukka

2009-12-01T23:59:59.000Z

289

DISMON: Using Social Web and Semantic Technologies to Monitor Diseases in Limited Environments  

Science Conference Proceedings (OSTI)

Information technology and, more precisely, the internet represent challenges and opportunities for medicine. Technology-driven medicine has changed how practitioners perform their roles in and medical information systems have recently gained momentum ... Keywords: Crawler, Diseases, Limited Environments, Medical Prediction, Ontology, Semantic Technologies, Social Web

Ricardo Colomo-Palacios; Ángel García-Crespo; Juan Miguel Gómez-Berbís; Ángel M. Lagares-Lemos; Miguel Lagares-Lemos

2011-01-01T23:59:59.000Z

290

Configuring and controlling ubiquitous computing infrastructure with semantic connections: a tangible and an AR approach  

Science Conference Proceedings (OSTI)

In the transition from a device-oriented paradigm toward a more task-oriented paradigm with increased interoperability, people are struggling with inappropriate user interfaces, competing standards, technical incompatibilities, and other difficulties. ... Keywords: Interaction design, Ontologies, Personal projection, Semantic web, Smart home

Bram Vlist; Gerrit Niezen; Stefan Rapp; Jun Hu; Loe Feijs

2013-04-01T23:59:59.000Z

291

Semantic Mediation between Business Partners - A SWS-Challenge Solution Using DIANE Service Descriptions  

Science Conference Proceedings (OSTI)

In this paper, we introduce the DIANE Service Description (DSD) and show how it has been used to solve the mediation problem stated in the scenarios of the SWS-Challenge (http://sws-challenge.org/). We provide a consolidated description of our approach ... Keywords: semantic servicesbusiness mediation

Ulrich Kuster; Birgitta Konig-Ries

2007-11-01T23:59:59.000Z

292

Building a semantic p2p scientific references sharing system with JXTA  

Science Conference Proceedings (OSTI)

A semantic Peer-to-Peer (P2P) scientific references sharing system, SemreX, is introduced in this paper. As a P2P application system based on JXTA, the implementation technologies of the P2P communication layer of SemreX are illustrated, including ...

Yijiao Yu; Hai Jin

2006-01-01T23:59:59.000Z

293

A UTP semantics of pGCL as a homogeneous relation  

Science Conference Proceedings (OSTI)

We present an encoding of the semantics of the probabilistic guarded command language (pGCL) in the Unifying Theories of Programming (UTP) framework. Our contribution is a UTP encoding that captures pGCL programs as predicate-transformers, on predicates ...

Riccardo Bresciani; Andrew Butterfield

2012-06-01T23:59:59.000Z

294

An Ontology-Based Semantics for the Motivation Extension to ArchiMate  

Science Conference Proceedings (OSTI)

The "motivation domain" of an Enterprise Architecture addresses objectives in a broad scope ranging from high-level statements expressing the goals of an enterprise to declarations of requirements on business processes, services and systems. An important ... Keywords: Enterprise Architecture Modelling, Ontology-based Semantics, Goal Modelling, ArchiMate, UFO

Carlos L. B. Azevedo; Joao Paulo A. Almeida; Marten van Sinderen; Dick Quartel; Giancarlo Guizzardi

2011-08-01T23:59:59.000Z

295

Applying and extending a semantic foundation for role-related concepts in enterprise modelling  

Science Conference Proceedings (OSTI)

In this paper, we provide a semantic foundation for role-related concepts in enterprise modelling. We use a conceptual modelling framework to provide a well-founded underpinning for these concepts. We review a number of enterprise modelling approaches ... Keywords: actors, conceptual modelling, enterprise modelling, object modelling, roles

Joao Paulo A. Almeida; Giancarlo Guizzardi; Paulo Sergio Santos, Jr

2009-08-01T23:59:59.000Z

296

Semantic-based web service discovery and chaining for building an Arctic spatial data infrastructure  

Science Conference Proceedings (OSTI)

Increasing interests in a global environment and climate change have led to studies focused on the changes in the multinational Arctic region. To facilitate Arctic research, a spatial data infrastructure (SDI), where Arctic data, information, and services ... Keywords: Arctic, Crawler, Hydrology, Knowledge base, Ontology, SDI, Semantic, Service chain

W. Li; C. Yang; D. Nebert; R. Raskin; P. Houser; H. Wu; Z. Li

2011-11-01T23:59:59.000Z

297

A semantic framework to protect the privacy of electronic health records with non-numerical attributes  

Science Conference Proceedings (OSTI)

Structured patient data like Electronic Health Records (EHRs) are a valuable source for clinical research. However, the sensitive nature of such information requires some anonymisation procedure to be applied before releasing the data to third parties. ... Keywords: Electronic health records, Privacy, SNOMED CT, Semantic similarity, Statistical disclosure control

Sergio MartíNez; David SáNchez; Aida Valls

2013-04-01T23:59:59.000Z

298

A general framework for semantics-based bottom-up abstract interpretation of logic programs  

Science Conference Proceedings (OSTI)

The theory of abstract interpretation provides a formal framework to develop advanced dataflow analysis tools. The idea is to define a nonstandard semantics which is able to compute, in finite time, an approximated model of the program. In this paper, ... Keywords: abstract interpretation, logic programming, program analysis

Roberto Barbuti; Roberto Giacobazzi; Giorgio Levi

1993-01-01T23:59:59.000Z

299

An Enhanced Semantic Layer for Hybrid Recommender Systems: Application to News Recommendation  

Science Conference Proceedings (OSTI)

Recommender systems have achieved success in a variety of domains, as a means to help users in information overload scenarios by proactively finding items or services on their behalf, taking into account or predicting their tastes, priorities, or goals. ... Keywords: Collaborative Filtering, Context Modelling, Domain Knowledge, Ontologies, Recommender Systems, Semantics

Iván Cantador; Pablo Castells; Alejandro Bellogín

2011-01-01T23:59:59.000Z

300

Method of fracturing a geological formation  

DOE Patents (OSTI)

An improved method of fracturing a geological formation surrounding a well bore is disclosed. A relatively small explosive charge is emplaced in a well bore and the bore is subsequently hydraulically pressurized to a pressure less than the formation breakdown pressure and preferably greater than the fracture propagation pressure of the formation. The charge is denoted while the bore is so pressurized, resulting in the formation of multiple fractures in the surrounding formation with little or no accompanying formation damage. Subsequent hydraulic pressurization can be used to propagate and extend the fractures in a conventional manner. The method is useful for stimulating production of oil, gas and possibly water from suitable geologic formations.

Johnson, James O. (2679-B Walnut, Los Alamos, NM 87544)

1990-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Using architectures for semantic interoperability to create journal clubs for emergency response  

Science Conference Proceedings (OSTI)

In certain types of 'slow burn' emergencies, careful accumulation and evaluation of information can offer a crucial advantage. The SARS outbreak in the first decade of the 21st century was such an event, and ad hoc journal clubs played a critical role in assisting scientific and technical responders in identifying and developing various strategies for halting what could have become a dangerous pandemic. This research-in-progress paper describes a process for leveraging emerging semantic web and digital library architectures and standards to (1) create a focused collection of bibliographic metadata, (2) extract semantic information, (3) convert it to the Resource Description Framework /Extensible Markup Language (RDF/XML), and (4) integrate it so that scientific and technical responders can share and explore critical information in the collections.

Powell, James E [Los Alamos National Laboratory; Collins, Linn M [Los Alamos National Laboratory; Martinez, Mark L B [Los Alamos National Laboratory

2009-01-01T23:59:59.000Z

302

Semi-Automatic Distribution Pattern Modeling of Web Service Compositions using Semantics  

E-Print Network (OSTI)

Enterprise systems are frequently built by combining a number of discrete Web services together, a process termed composition. There are a number of architectural configurations or distribution patterns, which express how a composed system is to be deployed. Previously, we presented a Model Driven Architecture using UML 2.0, which took existing service interfaces as its input and generated an executable Web service composition, guided by a distribution pattern model. In this paper, we propose using Web service semantic descriptions in addition to Web service interfaces, to assist in the semi-automatic generation of the distribution pattern model. Web services described using semantic languages, such as OWL-S, can be automatically assessed for compatibility and their input and output messages can be mapped to each other. 1.

Ronan Barrett

2006-01-01T23:59:59.000Z

303

Complex Biological Event Extraction from Full Text using Signatures of Linguistic and Semantic Features  

SciTech Connect

Building on technical advances from the BioNLP 2009 Shared Task Challenge, the 2011 challenge sets forth to generalize techniques to other complex biological event extraction tasks. In this paper, we present the implementation and evaluation of a signature-based machine-learning technique to predict events from full texts of infectious disease documents. Specifically, our approach uses novel signatures composed of traditional linguistic features and semantic knowledge to predict event triggers and their candidate arguments. Using a leave-one out analysis, we report the contribution of linguistic and shallow semantic features in the trigger prediction and candidate argument extraction. Lastly, we examine evaluations and posit causes for errors of infectious disease track subtasks.

McGrath, Liam R.; Domico, Kelly O.; Corley, Courtney D.; Webb-Robertson, Bobbie-Jo M.

2011-06-24T23:59:59.000Z

304

Complex biological event extraction from full text using signatures of linguistic and semantic features  

E-Print Network (OSTI)

Building on technical advances from the BioNLP 2009 Shared Task Challenge, the 2011 challenge sets forth to generalize techniques to other complex biological event extraction tasks. In this paper, we present the implementation and evaluation of a signaturebased machine-learning technique to predict events from full texts of infectious disease documents. Specifically, our approach uses novel signatures composed of traditional linguistic features and semantic knowledge to predict event triggers and their candidate arguments. Using a leave-one out analysis, we report the contribution of linguistic and shallow semantic features in the trigger prediction and candidate argument extraction. Lastly, we examine evaluations and posit causes for errors in our complex biological event extraction.

Liam R. Mcgrath; Kelly Domico; Courtney D. Corley; Bobbie-jo Webb-robertson

2011-01-01T23:59:59.000Z

305

Supporting clinical processes with semantic web technologies: a case in breast cancer treatment  

Science Conference Proceedings (OSTI)

Breast cancer surgery is carried out almost entirely manually and there is an obvious risk of human error due to temporary or occasional lack of staff experience (substitutions, sick leaves and other reasons). Another aspect is that the successful ... Keywords: OWL, SOA, automated decision making, breast cancer, cancer treatment, e-healthcare, electronic healthcare, electronic healthcare records, electronic medical records, monitoring, ontologies, ontology web language, patient safety, prognostic factors, semantic web, service-oriented architecture

Ainhoa Serna Nocedal; Jon Kepa Gerrikagoitia; Iker Huerga

2010-09-01T23:59:59.000Z

306

2008 search results are more difficult to understand General definition, perhaps too general? Google Mathematics  

E-Print Network (OSTI)

Semantic graph "A semantic graph organizes relational data by using nodes to represent entities and edges to connect related entities. Hidden relationships in the data are then uncovered by examining the structure and properties of the semantic graph."

Lars Eldén; Graph Similarity; Nätet Bilder

2008-01-01T23:59:59.000Z

307

The RDF Book Mashup: From Web APIs to a Web of Data, 3rd Workshop on Scripting for the Semantic Web  

E-Print Network (OSTI)

Abstract. The RDF Book Mashup demonstrates how Web 2.0 data sources like Amazon, Google and Yahoo can be integrated into the Semantic Web. Following the principles of linked data, the RDF Book Mashup makes information about books, their authors, reviews, and online bookstores available on the Semantic Web. This information can be used by RDF browsers and crawlers, and other publishers of Semantic Web data can set links to it. 1

Christian Bizer; Richard Cyganiak; Tobias Gauß; Freie Universität Berlin

2007-01-01T23:59:59.000Z

308

SAR polar format implementation with MATLAB.  

SciTech Connect

Traditional polar format image formation for Synthetic Aperture Radar (SAR) requires a large amount of processing power and memory in order to accomplish in real-time. These requirements can thus eliminate the possible usage of interpreted language environments such as MATLAB. However, with trapezoidal aperture phase history collection and changes to the traditional polar format algorithm, certain optimizations make MATLAB a possible tool for image formation. Thus, this document's purpose is two-fold. The first outlines a change to the existing Polar Format MATLAB implementation utilizing the Chirp Z-Transform that improves performance and memory usage achieving near realtime results for smaller apertures. The second is the addition of two new possible image formation options that perform a more traditional interpolation style image formation. These options allow the continued exploration of possible interpolation methods for image formation and some preliminary results comparing image quality are given.

Martin, Grant D.; Doerry, Armin Walter

2005-11-01T23:59:59.000Z

309

Search Results  

Science Conference Proceedings (OSTI)

Search Results. CAS Number, Formula, Name, State, JANAF Table, Links. 7439-97-6, Hg, Mercury, ref, view, ... 7439-97-6, Hg, Mercury, cr,l, view, ...

310

Search Results  

Science Conference Proceedings (OSTI)

Search Results. CAS Number, Formula, Name, State, JANAF Table, Links. 7440-33-7, W, Tungsten, cr,l, view, ... 7440-33-7, W, Tungsten, cr, view, ...

311

GLODAP Results  

NLE Websites -- All DOE Office Websites (Extended Search)

Results Evaluation of Inorganic Carbon Quality Carbon Thermodynamics Anthropogenic CO2 Radio Carbon Gridded Carbon Fields Click the map to enlarge. Indian Ocean Pacific Ocean...

312

IRIM at TRECVID 2010: Semantic Indexing and Instance ...  

Science Conference Proceedings (OSTI)

... IRIT / UMR 5505 / Universit Paul Sabatier / F-31062 ... result of the fusion process Run MAP ... In Signal Processing: Image Communication, vol- ume 25 ...

2011-05-10T23:59:59.000Z

313

EURECOM at TrecVid 2012: The Light Semantic Indexing ...  

Science Conference Proceedings (OSTI)

... p(c|s) = ? pE(c|s) ? pv(c|s) ... results with the use of a simple reranking model based on ... Modeling the shape of the scene: A holistic representation of ...

2012-11-29T23:59:59.000Z

314

Towards a more discriminative and semantic visual vocabulary  

Science Conference Proceedings (OSTI)

We present a novel method for constructing a visual vocabulary that takes into account the class labels of images, thus resulting in better recognition performance and more efficient learning. Our method consists of two stages: Cluster Precision Maximisation ... Keywords: Bag-of-Words, Category-level object recognition, Cluster precision, Correlation clustering, Reciprocal Nearest Neighbours, Visual vocabulary

R. J. López-Sastre; T. Tuytelaars; F. J. Acevedo-Rodríguez; S. Maldonado-Bascón

2011-03-01T23:59:59.000Z

315

Implementing situation-aware and user-adaptive music recommendation service in semantic web and real-time multimedia computing environment  

Science Conference Proceedings (OSTI)

With the advent of the ubiquitous era, many studies have been devoted to various situation-aware services in the semantic web environment. One of the most challenging studies involves implementing a situation-aware personalized music recommendation service ... Keywords: Customization, Ontology, Reasoning, Semantic web, User profiles

Seungmin Rho; Seheon Song; Yunyoung Nam; Eenjun Hwang; Minkoo Kim

2013-07-01T23:59:59.000Z

316

STAR FORMATION IN ATOMIC GAS  

SciTech Connect

Observations of nearby galaxies have firmly established, over a broad range of galactic environments and metallicities, that star formation occurs exclusively in the molecular phase of the interstellar medium (ISM). Theoretical models show that this association results from the correlation between chemical phase, shielding, and temperature. Interstellar gas converts from atomic to molecular only in regions that are well shielded from interstellar ultraviolet (UV) photons, and since UV photons are also the dominant source of interstellar heating, only in these shielded regions does the gas become cold enough to be subject to Jeans instability. However, while the equilibrium temperature and chemical state of interstellar gas are well correlated, the timescale required to reach chemical equilibrium is much longer than that required to reach thermal equilibrium, and both timescales are metallicity-dependent. Here I show that the difference in timescales implies that, at metallicities below a few percent of the solar value, well shielded gas will reach low temperatures and proceed to star formation before the bulk of it is able to convert from atomic to molecular. As a result, at extremely low metallicities, star formation will occur in a cold atomic phase of the ISM rather than a molecular phase. I calculate the observable consequences of this result for star formation in low-metallicity galaxies, and I discuss how some current numerical models for H{sub 2}-regulated star formation may need to be modified.

Krumholz, Mark R., E-mail: krumholz@ucolick.org [Department of Astronomy and Astrophysics, University of California, Santa Cruz, CA 95064 (United States)

2012-11-01T23:59:59.000Z

317

compound queries | OpenEI Community  

Open Energy Info (EERE)

- 15:22 Multicolor Maps from Compound Queries ask queries compound queries developer Google maps maps multicolor result formats results Semantic Mediawiki Hi all, Recently, a...

318

ask queries | OpenEI Community  

Open Energy Info (EERE)

- 15:22 Multicolor Maps from Compound Queries ask queries compound queries developer Google maps maps multicolor result formats results Semantic Mediawiki Hi all, Recently, a...

319

maps | OpenEI Community  

Open Energy Info (EERE)

- 15:22 Multicolor Maps from Compound Queries ask queries compound queries developer Google maps maps multicolor result formats results Semantic Mediawiki Hi all, Recently, a...

320

Semantic-driven Parallelization of Loops Operating on User-defined Containers  

SciTech Connect

The authors describe ROSE, a C++ infrastructure for source-to-source translation, that provides an interface for programmers to easily write their own translators for optimizing user-defined high-level abstractions. Utilizing the semantics of these high-level abstractions, they demonstrate the automatic parallelization of loops that iterate over user-defined containers that have interfaces similar to the lists, vectors and sets in the Standard Template Library (STL). The parallelization is realized in two phases. First, they insert OpenMP directives into a serial program, driven by the recognition of the high-level abstractions, containers, that are thread-safe. Then, they translate the OpenMP directives into library routines that explicitly create and manage parallelism. By providing an interface for the programmer to classify the semantics of their abstractions, they are able to automatically parallelize operations on containers, such as linked-lists, without resorting to complex loop dependence analysis techniques. The approach is consistent with general goals within telescoping languages.

Quinlan, D; Schordan, M; Yi, Q; de Supinski, B R

2003-07-09T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Semantic-based resource discovery, composition and substitution in IEEE 802.11 mobile ad hoc networks  

Science Conference Proceedings (OSTI)

We present a general framework for resource discovery, composition and substitution in mobile ad-hoc networks, exploiting knowledge representation techniques. Key points of the proposed approach are: (1) reuse of discovery information at network layer ... Keywords: IEEE 802.11, Mobile ad-hoc network, Routing protocol, Semantic-based composition, Service discovery protocol, Service substitutability

Michele Ruta; Giammarco Zacheo; Luigi Alfredo Grieco; Tommaso Noia; Gennaro Boggia; Eufemia Tinelli; Pietro Camarda; Eugenio Sciascio

2010-07-01T23:59:59.000Z

322

Using Multi-Modal Semantic Association Rules to fuse keywords and visual features automatically for Web image retrieval  

Science Conference Proceedings (OSTI)

A recent trend for image search is to fuse the two basic modalities of Web images, i.e., textual features (usually represented by keywords) and visual features for retrieval. The key issue is how to associate the two modalities for fusion. In this paper, ... Keywords: Association rule mining, Inverted file, Multi-Modal Semantic Association Rule (MMSAR), Relevance Feedback (RF), Web image retrieval

Ruhan He; Naixue Xiong; Laurence T. Yang; Jong Hyuk Park

2011-07-01T23:59:59.000Z

323

An improvement for semantics-based recommender systems grounded on attaching temporal information to ontologies and user profiles  

Science Conference Proceedings (OSTI)

Recommender systems in online shopping automatically select the most appropriate items to each user, thus shortening his/her product searching time in the shops and adapting the selection as his/her particular preferences evolve over time. This adaptation ... Keywords: Consumption stereotypes, Ontology, Personalization, Recommender systems, Semantic reasoning, Time-aware filtering

Yolanda Blanco-Fernández; Martín López-Nores; José J. Pazos-Arias; Jorge García-Duque

2011-12-01T23:59:59.000Z

324

Automatic addition of verbal semantic attributes to a Japanese-to-English valency transfer dictionary. TMI-99  

E-Print Network (OSTI)

The effectiveness of using the semantic attributes of verbs has been shown in various kinds of natural processing systems, such as machine translation systems. The addition of an attribute value is, however, time-consuming and must be performed by hand by an expert on the attribute value. In this paper, two methods for efficiently adding verbal semantic attributes to a Japanese-to-English valency transfer dictionary in a machine translation system are proposed and evaluated. One method involves a professional analyst mentally writing down decision-tree-like rules from process images when adding an attribute value to each dictionary entry. The other method involves automatically extracting a decision tree for adding attribute values from dictionary entries with semantic attribute values within a transfer dictionary using the decision tree learning program C5.0. We examine the key factors contributing towards the identification of an attribute value in the entries of the transfer dictionary. The proposed method is also applicable for adding semantic attributes effectively for dictionary entries of a bilingual dictionary within a machine translation system. 1

Hiromi Nakaiwa; Kayo Seki

1999-01-01T23:59:59.000Z

325

Definition and implementation of a semantic mapping for UML-RT using a timed pi-calculus  

Science Conference Proceedings (OSTI)

We report on ongoing work to define a formal semantics for UML-RT suitable for execution and analysis. The paper advocates the use of kiltera as an executable, yet formal, specification language for the high-level description and analysis of complex ... Keywords: ?-calculus, UML-RT, model driven development, process algebra

Juergen Dingel; Eyrak Paen; Ernesto Posse; Rezoanoor (Ruben) Rahman; Karolina Zurowska

2010-06-01T23:59:59.000Z

326

1 Workshop: Scripting For the Semantic Web (SFSW) Organizers of this workshop are Chris Binzer, Gunnar Aastrand Grimnes and Sören Auer.  

E-Print Network (OSTI)

Sketchy notes from the European Semantic Web Conference 2009 plus two workshops. 45 papers plus 8 in-use track plus 24 on the demo track and 8 in the phd symposium in the main conference track. A good conference. Some of the issues I found interesing was “Controlled natural language English ” used in wikis for making semantic information, SCOVO for dataset, the report about SPARQL not being good enough for scientific databases, where ordinary SQL has worked, the combination of tagging and ontologies. The Finnishs have large cultural ontologies. The conference generally sees the “Semantic Web ” as RDF, triples and OWL. Linked data was much mentioned.

Finn ?arup Nielsen; Christopher Lange Krextor

2009-01-01T23:59:59.000Z

327

Tropical Cyclone Formation  

Science Conference Proceedings (OSTI)

The physics of tropical cyclone formation is not well understood, and more is known about the mature hurricane than the formative mechanisms that produce it. It is believed part of the reason for this can be traced to insufficient upper-level ...

Michael T. Montgomery; Brian F. Farrell

1993-01-01T23:59:59.000Z

328

Unified Theory of Relativistic Identification of Information in a Systems Age: Proposed Convergence of Unique Identification with Syntax and Semantics through Internet Protocol version 6  

E-Print Network (OSTI)

This paper proposes to utilize internet protocol version six (IPv6) to uniquely identify not only things (objects) but also processes, relationships (syntax, semantics) and interfaces (sensors). Convergence of identification ...

Datta, Shoumen

2008-07-31T23:59:59.000Z

329

Method for laser drilling subterranean earth formations  

DOE Patents (OSTI)

Laser drilling of subterranean earth formations is efficiently accomplished by directing a collimated laser beam into a bore hole in registry with the earth formation and transversely directing the laser beam into the earth formation with a suitable reflector. In accordance with the present invention, the bore hole is highly pressurized with a gas so that as the laser beam penetrates the earth formation the high pressure gas forces the fluids resulting from the drilling operation into fissures and pores surrounding the laser-drilled bore so as to inhibit deleterious occlusion of the laser beam. Also, the laser beam may be dynamically programmed with some time dependent wave form, e.g., pulsed, to thermally shock the earth formation for forming or enlarging fluid-receiving fissures in the bore.

Shuck, Lowell Z. (Morgantown, WV)

1976-08-31T23:59:59.000Z

330

Identifying rapidly evolving technological trends for R&D planning using SAO-based semantic patent networks  

Science Conference Proceedings (OSTI)

Patents constitute an up-to-date source of competitive intelligence in technological development; thus, patent analysis has been a vital tool for identifying technological trends. Patent citation analysis is easy to use, but fundamentally has two main ... Keywords: C63, C82, Natural language processing (NLP), Patent mining, Patent network, Research and development (R&D) trend, Semantic patent similarity, Subject-action-object (SAO) structures

Janghyeok Yoon; Kwangsoo Kim

2011-07-01T23:59:59.000Z

331

Primary Radiation Damage Formation  

SciTech Connect

The physical processes that give rise to changes in the microstructure, and the physical and mechanical properties of materials exposed to energetic particles are initiated by essentially elastic collisions between atoms in what has been called an atomic displacement cascade. The formation and evolution of this primary radiation damage mechanism are described to provide an overview of how stable defects are formed by displacement cascades, as well as the nature and morphology of the defects themselves. The impact of the primary variables cascade energy and irradiation temperature are discussed, along with a range of secondary factors that can influence damage formation.

Stoller, Roger E [ORNL

2012-01-01T23:59:59.000Z

332

Parameterized formatting of an XML document by XSL rules  

Science Conference Proceedings (OSTI)

The possibilities of formatting offered by database management systems (DBMS) are insufficient and do not allow emphasizing the various data results. It is the same for the usual browsing of an XML document without any particular rules of formatting. ... Keywords: DOM tree, XHTML document, XML document, XSL rules, XSLT, parameters of formatting

Madani Kenab; Tayeb Ould Braham; Pierre Bazex

2004-10-01T23:59:59.000Z

333

Warm Water Mass Formation  

Science Conference Proceedings (OSTI)

Poleward heat transport by the own implies warm Water mass formation, i.e., the retention by the tropical and subtropical ocean of some of its net radiant heat gain. Under what condition net heat retention becomes comparable to latent heat ...

G. T. Csanady

1984-02-01T23:59:59.000Z

334

Annual Energy Outlook 2000 - Model Results & Report  

Gasoline and Diesel Fuel Update (EIA)

Forecasts Summary of the AEO2001 Cases Scenarios - Appendix Table G1 bullet1.gif (843 bytes) Model Results (Formats - PDF, ZIP) - Appendix Tables - Reference Case - 1998 to 2020...

335

Annual Energy Outlook 1999 - Model Results & Report  

Gasoline and Diesel Fuel Update (EIA)

results.gif (6669 bytes) AEO99 Report Available Formats Entire AEO Report as Printed (PDF, 2.2MB) Overview (PDF, 132KB) Legislation and Regulations (PDF, 96KB) Issues in Focus...

336

Mapping Hydrothermal Upwelling and Outflow Zones: Preliminary Results from  

Open Energy Info (EERE)

form form View source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit with form History Facebook icon Twitter icon » Mapping Hydrothermal Upwelling and Outflow Zones: Preliminary Results from Two-Meter Temperature Data and Geologic Analysis at Lee Allen Springs and Salt Wells Basin Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Mapping Hydrothermal Upwelling and Outflow Zones: Preliminary Results from Two-Meter Temperature Data and Geologic Analysis at Lee Allen Springs and Salt Wells Basin Abstract Two-meter temperature surveys have been conducted at Salt Wells Basin and Lee-Allen Springs geothermal areas with the objective of distinguishing and

337

Formation flow channel blocking  

SciTech Connect

A method is claimed for selectively blocking high permeability flow channels in an underground hydrocarbon material bearing formation having flow channels of high permeability and having flow channels of lesser permeability. The method includes the following steps: introducing a blocking material fluid comprising a blocking material in a carrier into the flow channels through an injection well in communication with the formation; introducing a buffer fluid into the formation through the injection well for the buffer fluid to displace the blocking material fluid away from the injection well; allowing the blocking material to settle in the channels to resist displacement by fluid flowing through the channels; introducing a quantity of an activating fluid into the channels through the injection well at a sufficient rate for the activating fluid to displace the buffer fluid and finger into the high permeability channels to reach the blocking material in the high permeability channels without reaching the blocking material in the low permeability channels, the activating fluid being adapted to activate the blocking material which it reaches to cause blocking of the high permeability channels.

Kalina, A.I.

1982-11-30T23:59:59.000Z

338

Hypervelocity impact jet formation  

SciTech Connect

The hypervelocity impact of a particle on a surface generates a jet of shocked material which is thrown from the impact site. A simple analytic model has been developed to obtain expressions for the evolution of this jet of ejecta. The analysis is based on applying the conservation equations of mass and momentum to the problem of a normal impact of a sphere against a semi-infinite flat target. Expressions are developed for the evolution of the jet velocity, jet release point and the locus of points which describe the ejecta envelope. These analytical ejecta profiles are compared with high speed photographs of impact jet formation. 6 refs., 7 figs.

Ang, J.A.

1991-01-01T23:59:59.000Z

339

Formation of Carbon Dwarfs  

E-Print Network (OSTI)

We consider the formation of dwarf carbon stars via accretion from a carbon AGB companion in light of the new 107 object sample of Downes et al. (2004). This sample is now large enough to allow good mass determination via comparison of a composite spectrum to theoretical atmospheric models. Carbon dwarfs of spectral type M are indeed main sequence M dwarfs with enhanced metallicity and carbon abundance. We also calculate the predicted abundance of both M and of F/G carbon dwarfs, and show that the latter should be falsifiable in the near future.

Charles L. Steinhardt; Dimitar D. Sasselov

2005-02-08T23:59:59.000Z

340

Self-formation in Microelectronics  

Science Conference Proceedings (OSTI)

The external formation of integrated circuits based on lithographic processes is not the only possible method for manufacturing electron devices, either integrated circuits or photovoltaic cells. Planar technology, based on external formation, requires ... Keywords: Artificial Systems, Development, Microelectronics, Reproduction, Self-Formation

Stepas Janušonis

2000-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Optimal reorganization of agent formations  

Science Conference Proceedings (OSTI)

In this article we address the problem of determining how a structured formation of autonomous undistinguishable agents can be reorganized into another, eventually non-rigid, formation based on changes in the environment, perhaps unforeseeable. The methodology ... Keywords: combinatorial optimization, dynamic programming, formation reorganization

Dalila B. M. M. Fontes; Fernando A. C. C. Fontes

2008-09-01T23:59:59.000Z

342

A study of coal formation  

SciTech Connect

Coal is a solid, brittle, more or less distinctly stratified, combustible, carbonaceous rock. It is being rediscovered as a reliable energy source, which, historically provided the resource base for the industrialization of the United States economy. A firm understanding of growth in coal development is important to the national energy scene so that the implications of factors influencing coal growth upon the industry`s ability to realize national energy objectives may be determined. As a result, the future of coal development will be facilitated by compiling basic facts on coal reserves, production, and utilization. In view of this, a review and assessment of facts pertaining to the nature and origin of coal is presented. The various properties and uses of coal are then described, followed by a discussion of the process of coal formation.

Jubert, K.; Stevens, G.; Masudi, H.

1995-03-01T23:59:59.000Z

343

Estimation of static formation temperatures in geothermal wells | Open  

Open Energy Info (EERE)

Estimation of static formation temperatures in geothermal wells Estimation of static formation temperatures in geothermal wells Jump to: navigation, search OpenEI Reference LibraryAdd to library Journal Article: Estimation of static formation temperatures in geothermal wells Abstract Stabilized formation temperatures were estimated at different depths in 40 wells from the Los Humeros geothermal field, Mexico, using the Horner and the spherical radial flow (SRF) methods. The results showed that the Horner method underestimates formation temperatures, while the SRF method gives temperatures that are closer to the true formation temperatures. This was supported by numerical simulation of a combined circulation and shut-in period in several wells, and results for well H-26 are presented. Numerical reproduction of logged temperature is more feasible if an initial

344

MEDICAL IMAGING TECHNOLOGY Vol.26 No.1 January 2008 1 Prospective Study for Semantic Inter-Media Fusion in Content-Based  

E-Print Network (OSTI)

MEDICAL IMAGING TECHNOLOGY Vol.26 No.1 January 2008 1 * * Prospective Study for Semantic Inter-Media Fusion in Content-Based Medical Image Retrieval Roxana TEODORESCU*1,2, Daniel RACOCEANU*3, Wee-Kheng LEOW*4 , Vladimir CRETU*1 One important challenge in modern Content-Based Medical Image Retrieval (CBMIR

Paris-Sud XI, Université de

345

48 MEDICAL IMAGING TECHNOLOGY Vol.26 No.1 January 2008 Prospective Study for Semantic Inter-Media Fusion in Content-Based  

E-Print Network (OSTI)

48 MEDICAL IMAGING TECHNOLOGY Vol.26 No.1 January 2008 * * Prospective Study for Semantic Inter-Media Fusion in Content-Based Medical Image Retrieval Roxana TEODORESCU*1,2, Daniel RACOCEANU*3, Wee-Kheng LEOW*4 , Vladimir CRETU*1 One important challenge in modern Content-Based Medical Image Retrieval (CBMIR

Leow, Wee Kheng

346

Entity Search and the Web of Data Centralised Entity Search Federated Entity Search P2P Entity Search Conclusions and Future Semantic and Distributed Entity Search in  

E-Print Network (OSTI)

Entity Search and the Web of Data Centralised Entity Search Federated Entity Search P2P Entity Search Conclusions and Future Semantic and Distributed Entity Search in the Web of Data Robert Neumayer/48 #12;Entity Search and the Web of Data Centralised Entity Search Federated Entity Search P2P Entity

347

Isocurvature Fluctuations Induce Early Star Formation  

E-Print Network (OSTI)

The early reionisation of the Universe inferred from the WMAP polarisation results, if confirmed, poses a problem for the hypothesis that scale-invariant adiabatic density fluctuations account for large-scale structure and galaxy formation. One can only generate the required amount of early star formation if extreme assumptions are made about the efficiency and nature of early reionisation. We develop an alternative hypothesis that invokes an additional component of a non-scale-free isocurvature power spectrum together with the scale-free adiabatic power spectrum for inflation-motivated primordial density fluctuations. Such a component is constrained by the Lyman alpha forest observations, can account for the small-scale power required by spectroscopic gravitational lensing, and yields a source of early star formation that can reionise the universe at z~20 yet becomes an inefficient source of ionizing photons by z~10, thereby allowing the conventional adiabatic fluctuation component to reproduce the late thermal history of the intergalactic medium.

Naoshi Sugiyama; Saleem Zaroubi; Joseph Silk

2003-10-21T23:59:59.000Z

348

Positronium formation in positron-hydrogen collisions with Debye potentials  

SciTech Connect

Positronium (Ps) formation cross sections (n = 1, 2) in positron-hydrogen collisions in Debye plasma environment are calculated using the screening approximation model for various Debye screening lengths from the Ps formation thresholds to 50 eV. The effect of the screened Coulomb potential on Ps formation process is investigated by using the Debye-Hueckel potential. The present results are compared with available theoretical calculations.

Ma, J.; Cheng, Y.; Wang, Y. C.; Zhou, Y. [Center for Theoretical Atomic and Molecular Physics, Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080 (China)

2012-06-15T23:59:59.000Z

349

R&D Results | OSTI, US Dept of Energy, Office of Scientific and Technical  

Office of Scientific and Technical Information (OSTI)

R&D Results R&D Results DOE R&D Results | R&D Results | Federated Search | Semantic Search | Federal STEM Education Resources | DOE Community | DOE Science Alerts At OSTI you can find research and development (R&D) results and science information from the Manhattan Project to the present. OSTI ensures global access to DOE research results and brings the world's research to DOE. Find DOE R&D Results DOE accomplishments - Find information about the outcomes of past DOE R&D. DOE full-text technical documents - Find DOE R&D full-text documents and bibliographic citations. DOE green energy documents - Find DOE green energy-related documents and patents information. DOE multimedia - Find DOE R&D Videos DOE patents - Find patents resulting from DOE-sponsored research

350

Proposed Information Sharing Security Approach for Security Personnels, Vertical Integration, Semantic Interoperability Architecture and Framework for Digital Government  

E-Print Network (OSTI)

This paper mainly depicts the conceptual overview of vertical integration, semantic interoperability architecture such as Educational Sector Architectural Framework (ESAF) for New Zealand government and different interoperability framework solution for digital government. In this paper, we try to develop a secure information sharing approach for digital government to improve home land security. This approach is a role and cooperation based approach for security personnel of different government departments. In order to run any successful digital government of any country in the world, it is necessary to interact with their citizen and to share secure information via different network among the citizen or other government. Consequently, in order to smooth the progress of users to cooperate with and share information without darkness and flawlessly transversely different networks and databases universally, a safe and trusted information-sharing environment has been renowned as a very important requirement and t...

Headayetullah, Md; Biswas, Sanjay; Puthal, B

2011-01-01T23:59:59.000Z

351

The Semantics of Chemical Markup Language (CML) for Computational Chemistry : CompChem  

E-Print Network (OSTI)

structure of XML. In addition, CML is accompanied by a num- ber of methodologies [11-13] and infrastructures, such as CMLXOM [14], Jumbo6 [15], Jumbo-Converter [16] and CMLValidator [17], which support the development of a more general computational... format that is more efficient for retrieval and processing. The eXtensible Markup Language [6] (XML) is usually selected for storing data due to its universal- ity and extensibility for both simple and complex data. Furthermore, XML provides the means...

Phadungsukanan, Weerapong; Kraft, Markus; Townsend, Joe A; Murray-Rust, Peter

2012-08-07T23:59:59.000Z

352

Market Structure Across Retail Formats  

Science Conference Proceedings (OSTI)

We study how market structure within a product category varies across retail formats. Building on the literature on internal market structure, we estimate a joint store and brand choice model where the loading matrix of brand attributes are allowed to ... Keywords: brand maps, heterogeniety, market structure, retail formats

Karsten Hansen; Vishal Singh

2009-07-01T23:59:59.000Z

353

The 3rd DBCLS BioHackathon: improving life science data integration with Semantic Web technologies  

E-Print Network (OSTI)

Intelligence community further specified this definition for their own field, as “the models that capture and describe specific domains” [47]. At the intersection of the life sciences and the com- puter sciences, we find ontologies being used for a wide variety... data integrity and correct out- put formatting, the output was successfully visualized in Cytoscape 2.7.0 beta 3 (Figure 2). Systems biology In systems biology, most curated models are developed by a graphical tool (e.g., CellDesigner [78...

Katayama, Toshiaki; Wilkinson, Mark D; Micklem, Gos; Kawashima, Shuichi; Yamaguchi, Atsuko; Nakao, Mitsuteru; Yamamoto, Yasunori; Okamoto, Shinobu; Oouchida, Kenta; Chun, Hong-Woo; Aerts, Jan; Afzal, Hammad; Antezana, Erick; Arakawa, Kazuharu; Aranda, Bruno; Belleau, Francois; Bolleman, Jerven; Bonnal, Raoul JP; Chapman, Brad; Cock, Peter JA; Eriksson, Tore; Gordon, Paul MK; Goto, Naohisa; Hayashi, Kazuhiro; Horn, Heiko; Ishiwata, Ryosuke; Kaminuma, Eli; Kasprzyk, Arek; Kawaji, Hideya; Kido, Nobuhiro; Kim, Young Joo; Kinjo, Akira R; Konishi, Fumikazu; Kwon, Kyung-Hoon; Labarga, Alberto; Lamprecht, Anna-Lena; Lin, Yu; Lindenbaum, Pierre; McCarthy, Luke; Morita, Hideyuki; Murakami, Katsuhiko; Nagao, Koji; Nishida, Kozo; Nishimura, Kunihiro; Nishizawa, Tatsuya; Ogishima, Soichi; Ono, Keiichiro; Oshita, Kazuki; Park, Keun-Joon; Prins, Pjotr; Saito, Taro L; Samwald, Matthias; Satagopam, Venkata P; Shigemoto, Yasumasa; Smith, Richard; Splendiani, Andrea; Sugawara, Hideaki; Taylor, James; Vos, Rutger A; Withers, David; Yamasaki, Chisato; Zmasek, Christian M; Kawamoto, Shoko; Okubo, Kosaku; Asai, Kiyoshi; Takagi, Toshihisa

2013-02-11T23:59:59.000Z

354

Help - Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

Search Results The search results are displayed ten documents at a time. The Next >> and << Back links at the top and bottom of the list allow you to navigate through the results...

355

Geothermal resources Frio Formation, South Texas  

DOE Green Energy (OSTI)

A preliminary study of the Frio sand distribution and formation temperatures and pressures was undertaken in order to define prospective areas in which a more detailed reservoir analysis is necessary prior to the selection of a site for a geothermal well. As a result two potential geothermal fairways were identified--one in the south part of the area in Hidalgo, Willacy, and Cameron Counties, and the other in the north part in north-central Nueces County.

Bebout, D.G.; Dorfman, M.H.; Agagu, O.K.

1975-01-01T23:59:59.000Z

356

Non Poisson intermittent events in price formation  

E-Print Network (OSTI)

The formation of price in a financial market is modelled as a chain of Ising spin with three fundamental figures of trading. We investigate the time behaviour of the model, and we compare the results with the real EURO/USD change rate. By using the test of local Poisson hypothesis, we show that this minimal model leads to clustering and "declustering" in the volatility signal, typical of the real market data.

Greco, A; Sorriso-Valvo, L; Carbone, Vincenzo; Greco, Antonella; Sorriso-Valvo, Luca

2006-01-01T23:59:59.000Z

357

ANI Testbed: Published Results  

NLE Websites -- All DOE Office Websites (Extended Search)

Testbed Results R&D Overview 100G Testbed Testbed Description Testbed Results Current Testbed Research Proposal Process Terms and Conditions Virtual Circuits (OSCARS) Performance...

358

Mechanisms of Banner Cloud Formation  

Science Conference Proceedings (OSTI)

Banner clouds are clouds in the lee of steep mountains or sharp ridges. Their formation has previously been hypothesized as due to three different mechanisms: (i) vertical uplift in a lee vortex (which has a horizontal axis), (ii) adiabatic ...

Matthias Voigt; Volkmar Wirth

2013-11-01T23:59:59.000Z

359

Hail Formation via Microphysical Recycling  

Science Conference Proceedings (OSTI)

It is suggested that alternation of low-density riming and wet growth processes play a role in hailstone formation. Such alternation of growth processes, which has been called microphysical recycling, is envisioned to operate in the following ...

John C. Pflaum

1980-01-01T23:59:59.000Z

360

Mutual Intrusion of a Gravity Current and Density Front Formation  

Science Conference Proceedings (OSTI)

A two-dimensional prognostic model was employed to examine the mutual intrusion of a gravity current and the formation of a density front. The results indicated strong vertical motion near the front and, with Earth rotation included, a baroclinic ...

Dono-Ping Wang

1984-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

An interpretation of soliton formation and parametric instabilities. Interim report  

SciTech Connect

It is shown that soliton formation and the resulting plasma heating are nothing more than the description in configuration space of well-known parametric processes and quasilinear theory. (GRA)

Manheimer, W.M.; Papadopoulos, K.

1975-05-01T23:59:59.000Z

362

Grid result checking  

Science Conference Proceedings (OSTI)

Result checking is the theory and practice of proving that the result of an execution of a program on an input is correct. Result checking has most often been envisioned in the framework of program testing or property testing, where the issue is the ... Keywords: grids, result checking, simulation

Cécile Germain-Renaud; Dephine Monnier-Ragaigne

2005-05-01T23:59:59.000Z

363

CONTAM Overview - Simulation Results  

Science Conference Proceedings (OSTI)

... Currently there are two types: boundary layer diffusion (BLS) deposition/ resuspension (DVR). Table — CONTAM Results Files. ...

364

Marked correlations in galaxy formation models  

E-Print Network (OSTI)

The two-point correlation function has been the standard statistic for quantifying how galaxies are clustered. The statistic uses the positions of galaxies, but not their properties. Clustering as a function of galaxy property, be it type, luminosity, color, etc., is usually studied by analysing a subset of the full population, the galaxies in the subset chosen because they have a similar range of properties. We explore an alternative technique---marked correlations---in which one weights galaxies by some property or `mark' when measuring clustering statistics. Marked correlations are particularly well-suited to quantifying how the properties of galaxies correlate with their environment. Therefore, measurements of marked statistics, with luminosity, stellar mass, color, star-formation rate, etc. as the mark, permit sensitive tests of galaxy formation models. We make measurements of such marked statistics in semi-analytic galaxy formation models to illustrate their utility. These measurements show that close pairs of galaxies are expected to be red, to have larger stellar masses, and to have smaller star formation rates. We also show that the simplest unbiased estimator of the particular marked statistic we use extensively is very simple to measure---it does not require construction of a random catalog---and provide an estimate of its variance. Large wide-field surveys of the sky are revolutionizing our view of galaxies and how they evolve. Our results indicate that application of marked statistics to this high quantity of high-quality data will provide a wealth of information about galaxy formation.

Ravi K. Sheth; Andrew J. Connolly; Ramin Skibba

2005-11-28T23:59:59.000Z

365

CMS: First Results  

Science Conference Proceedings (OSTI)

A summary of the LHC and CMS detector performance is given and the first CMS results are presented. In particular

Paolo Checchia; The CMS collaboration

2010-01-01T23:59:59.000Z

366

Review of Test Results  

NLE Websites -- All DOE Office Websites (Extended Search)

GAC004 Revision 1 Effective June 2008 Review of Test Results Prepared by Electric Transportation Applications Prepared by: Date: Garrett...

367

IMPACTS OF BIOFILM FORMATION ON CELLULOSE FERMENTATION  

Science Conference Proceedings (OSTI)

This project addressed four major areas of investigation: i) characterization of formation of Cellulomonas uda biofilms on cellulose; ii) characterization of Clostridium phytofermentans biofilm development; colonization of cellulose and its regulation; iii) characterization of Thermobifida fusca biofilm development; colonization of cellulose and its regulation; and iii) description of the architecture of mature C. uda, C. phytofermentans, and T. fusca biofilms. This research is aimed at advancing understanding of biofilm formation and other complex processes involved in the degradation of the abundant cellulosic biomass, and the biology of the microbes involved. Information obtained from these studies is invaluable in the development of practical applications, such as the single-step bioconversion of cellulose-containing residues to fuels and other bioproducts. Our results have clearly shown that cellulose-decomposing microbes rapidly colonize cellulose and form complex structures typical of biofilms. Furthermore, our observations suggest that, as cells multiply on nutritive surfaces during biofilms formation, dramatic cell morphological changes occur. We speculated that morphological changes, which involve a transition from rod-shaped cells to more rounded forms, might be more apparent in a filamentous microbe. In order to test this hypothesis, we included in our research a study of biofilm formation by T. fusca, a thermophilic cellulolytic actinomycete commonly found in compost. The cellulase system of T. fusca has been extensively detailed through the work of David Wilson and colleagues at Cornell, and also, genome sequence of a T. fusca strain has been determine by the DOE Joint Genome Institute. Thus, T. fusca is an excellent subject for studies of biofilm development and its potential impacts on cellulose degradation. We also completed a study of the chitinase system of C. uda. This work provided essential background information for understanding how C. uda colonizes and degrades insoluble substrates. Major accomplishments of the project include: • Development of media containing dialysis tubing (described by the manufacturer as “regenerated cellulose”) as sole carbon and energy source and a nutritive surface for the growth of cellulolytic bacteria, and development of various microscopic methods to image biofilms on dialysis tubing. • Demonstration that cultures of C. phytofermentans, an obligate anaerobe, C. uda, a facultative aerobe, and T. fusca, a filamentous aerobe, formed microbial communities on the surface of dialysis tubing, which possessed architectural features and functional characteristics typical of biofilms. • Demonstration that biofilm formation on the nutritive surface, cellulose, involves a complex developmental processes, including colonization of dialysis tubing, formation of cell clusters attached to the nutritive surface, cell morphological changes, formation of complex structures embedded in extracellular polymeric matrices, and dispersal of biofilm communities as the nutritive surface is degraded. • Determination of surface specificity and regulatory aspects of biofilm formation by C. phytofermentans, C. uda, and T. fusca. • Demonstration that biofilm formation by T. fusca forms an integral part of the life cycle of this filamentous cellulolytic bacterium, including studies on the role of mycelial pellet formation in the T. fusca life cycle and a comparison of mycelial pellets to surface-attached T. fusca biofilms. • Characterization of T. fusca biofilm EPS, including demonstration of a functional role for EPS constituents. • Correlation of T. fusca developmental life cycle and cellulase gene expression.

Leschine, Susan

2009-10-31T23:59:59.000Z

368

From the Office Document Format Battlefield  

Science Conference Proceedings (OSTI)

The two most common XML-based formats for office application suites are now international standards. Unfortunately, the Open Document Format and Office Open XML are similar but imperfectly compatible. Keywords: ODF, OOXML, XML, document format, office application

Jirka Kosek

2008-05-01T23:59:59.000Z

369

A WISE VIEW OF STAR FORMATION IN LOCAL GALAXY CLUSTERS  

SciTech Connect

We present results from a systematic study of star formation in local galaxy clusters using 22 {mu}m data from the Wide-field Infrared Survey Explorer (WISE). The 69 systems in our sample are drawn from the Cluster Infall Regions Survey, and all have robust mass determinations. The all-sky WISE data enable us to quantify the amount of star formation, as traced by 22 {mu}m, as a function of radius well beyond R{sub 200}, and investigate the dependence of total star formation rate upon cluster mass. We find that the fraction of star-forming galaxies increases with cluster radius but remains below the field value even at 3R{sub 200}. We also find that there is no strong correlation between the mass-normalized total specific star formation rate and cluster mass, indicating that the mass of the host cluster does not strongly influence the total star formation rate of cluster members.

Chung, Sun Mi; Gonzalez, Anthony H. [Department of Astronomy, University of Florida, Gainesville, FL 32611-2055 (United States); Eisenhardt, Peter R.; Stern, Daniel [Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109 (United States); Stanford, Spencer A. [Department of Physics, University of California, Davis, CA 95616 (United States); Brodwin, Mark [Harvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138 (United States); Jarrett, Thomas, E-mail: schung@astro.ufl.edu [Infrared Processing and Analysis Center, California Institute of Technology, Pasadena, CA 91125 (United States)

2011-12-10T23:59:59.000Z

370

Magnetic fields and radiative feedback in the star formation process  

E-Print Network (OSTI)

Star formation is a complex process involving the interplay of many physical effects, including gravity, turbulent gas dynamics, magnetic fields and radiation. Our understanding of the process has improved substantially in recent years, primarily as a result of our increased ability to incorporate the relevant physics in numerical calculations of the star formation process. In this contribution we present an overview of our recent studies of star cluster formation in turbulent, magnetised clouds using self-gravitating radiation-magnetohydrodynamics calculations (Price and Bate 2008, 2009). Our incorporation of magnetic fields and radiative transfer into the Smoothed Particle Hydrodynamics method are discussed. We highlight how magnetic fields and radiative heating of the gas around newborn stars can solve several of the key puzzles in star formation, including an explanation for why star formation is such a slow and inefficient process. However, the presence of magnetic fields at observed strengths in collaps...

Price, Daniel J

2010-01-01T23:59:59.000Z

371

Formation of Globular Clusters in Galaxy Mergers  

E-Print Network (OSTI)

We present a high-resolution simulation of globular cluster formation in a galaxy merger. For the first time in such a simulation, individual star clusters are directly identified and followed on their orbits. We quantitatively compare star formation in the merger to that in the unperturbed galaxies. The merging galaxies show a strong starburst, in sharp contrast to their isolated progenitors. Most star clusters form in the tidal tails. With a mass range of $5\\times10^{5}$--$5\\times 10^{6} M_{\\odot}$, they are identified as globular clusters. The merger remnant is an elliptical galaxy. Clusters with different mass or age have different radial distributions in the galaxy. The cluster mass spectrum appears to be roughly log-normal. Our results show that the high specific frequency and bimodal distribution of metallicity observed in elliptical galaxies are natural products of gas-rich mergers, supporting a merger origin for the ellipticals and their globular cluster systems.

Li, Y; Klessen, R S; Li, Yuexing; Low, Mordecai-Mark Mac; Klessen, Ralf S.

2004-01-01T23:59:59.000Z

372

Formation of Globular Clusters in Galaxy Mergers  

E-Print Network (OSTI)

We present a high-resolution simulation of globular cluster formation in a galaxy merger. For the first time in such a simulation, individual star clusters are directly identified and followed on their orbits. We quantitatively compare star formation in the merger to that in the unperturbed galaxies. The merging galaxies show a strong starburst, in sharp contrast to their isolated progenitors. Most star clusters form in the tidal features. With a mass range of $5\\times10^{5}$--$5\\times 10^{6} M_{\\odot}$, they are identified as globular clusters. The merger remnant is an elliptical galaxy. Clusters with different mass or age have different radial distributions in the galaxy. Our results show that the high specific frequency and bimodal distribution of metallicity observed in elliptical galaxies are natural products of gas-rich mergers, supporting a merger origin for the ellipticals and their globular cluster systems.

Yuexing Li; Mordecai-Mark Mac Low; Ralf S. Klessen

2004-07-13T23:59:59.000Z

373

QCD String formation and the Casimir Energy  

E-Print Network (OSTI)

Three distinct scales are identified in the excitation spectrum of the gluon field around a static quark-antiquark pair as the color source separation R is varied. The spectrum, with string-like excitations on the largest length scales of 2-3 fm, provides clues in its rich fine structure for developing an effective bosonic string description. New results are reported from the three-dimensional Z(2) and SU(2) gauge models, providing further insight into the mechanism of bosonic string formation. The precocious onset of string-like behavior in the Casimir energy of the static quark-antiquark ground state is observed below R=1 fm where most of the string eigenmodes do not exist and the few stable excitations above the ground state are displaced. We find no firm theoretical foundation for the widely held view of discovering string formation from high precision ground state properties below the 1 fm scale.

K. Jimmy Juge; J. Kuti; C. Morningstar

2004-01-27T23:59:59.000Z

374

NZERTF, Recent Research Results  

Science Conference Proceedings (OSTI)

... A. Hunter Fanney, Chief Building Environment Division (301) 975-5864 hunter.fanney@nist.gov. *. Bookmark and Share. Recent Research Results. ...

2013-11-04T23:59:59.000Z

375

Search Results Quadrats  

NLE Websites -- All DOE Office Websites (Extended Search)

lassoquadratss-searchresults-quadrat2006.lasso (1 of 2)61507 10:18 AM Search Results Quadrats 3183 Lederman Science Center Docent .P 3184 Lederman Science Center...

376

Diffraction Results from CDF  

Science Conference Proceedings (OSTI)

We present final results by the CDF II collaboration on diffractive W and Z production, report on the status of ongoing analyses on diffractive dijet production and on rapidity gaps between jets, and briefly summarize results obtained on exclusive production pointing to their relevance to calibrating theoretical models used to predict exclusive Higgs-boson production at the LHC.

Goulianos, Konstantin

2012-04-01T23:59:59.000Z

377

Photoionising feedback in star cluster formation  

E-Print Network (OSTI)

We present the first ever hydrodynamic calculations of star cluster formation that incorporate the effect of feedback from ionising radiation. In our simulations, the ionising source forms in the cluster core at the intersection of several dense filaments of inflowing gas. We show that these filaments collimate ionised outflows and suggest such an environmental origin for at least some observed outflows in regions of massive star formation. Our simulations show both positive feedback (i.e. promotion of star formation in neutral gas compressed by expanding HII regions) and negative feedback (i.e. suppression of the accretion flow in to the central regions). We show that the volume filling factor of ionised gas is very different in our simulations than would result from the case where the central source interacted with an azimuthally smoothed gas density distribution. As expected, gas density is the key parameter in determining whether clusters are unbound by photoionising radiation. Nevertheless, we find - on account of the acceleration of a small fraction of the gas to high velocities in the outflows - that the deposition in the gas of an energy that exceeds the binding energy of the cluster is not a sufficient criterion for unbinding the bulk of the cluster mass.

J. E. Dale; I. A. Bonnell; C. J. Clarke; M. R. Bate

2005-01-10T23:59:59.000Z

378

Unusual formations of the free electromagnetic field in vacuum  

E-Print Network (OSTI)

It is shown that there are exact solutions of the free Maxwell equations (FME) in vacuum allowing an existence of stable spherical formations of the free magnetic field and ring-like formations of the free electric field. It is detected that a form of these spheres and rings does not change with time in vacuum. It is shown that these convergent solutions are the result of an interference of some divergent solutions of FME. One can surmise that these electromagnetic formations correspond to Kapitsa's hypothesis about interference origin and a structure of fireball.

Andrew E. Chubykalo; Augusto Espinoza

2005-03-25T23:59:59.000Z

379

Formation of molecular hydrogen on amorphous silicate surfaces  

E-Print Network (OSTI)

Experimental results on the formation of molecular hydrogen on amorphous silicate surfaces are presented and analyzed using a rate equation model. The energy barriers for the relevant diffusion and desorption processes are obtained. They turn out to be significantly higher than those obtained for polycrystalline silicates, demonstrating the importance of grain morphology. Using these barriers we evaluate the efficiency of molecular hydrogen formation on amorphous silicate grains under interstellar conditions. It is found that unlike polycrystalline silicates, amorphous silicate grains are efficient catalysts of H_2 formation in diffuse interstellar clouds.

Ling Li; Giulio Manico; Emanuele Congiu; Joe Roser; Sol Swords; Hagai B. Perets; Adina Lederhendler; Ofer Biham; John Robert Brucato; Valerio Pirronello; Gianfranco Vidali

2007-09-16T23:59:59.000Z

380

Core Measure Results  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Core Measure Core Measure Results FY 07 Results FY 08 Results FY 09 Results FY 10 Target FY 10 Customer Perspective: Customer Satisfaction: -Timeliness NM 81 NM NM NM -Quality NM 90 NM NM NM Effective Service Partnership: -Extent of Customer Satisfaction with the responsiveness, etc. NM 87 NM NM NM Internal Business Perspective: Acquisition Excellence: -Extent to which internal quality control systems are effective 86 87 84 87 88 Most Effective Use of Contracting Approaches to Maximize Efficiency and Cost Effectiveness: Use of Electronic Commerce: - % of delivery & purchase orders issued electronically as a % of total simplified actions 70 72 89 99 100 - % of new competitive transactions > $100K conducted through EC 70 72 91 100 95 Performance Based Service Contracts: - PBSCs awarded as a % of eligible new

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Recent results from SPEAR  

SciTech Connect

Recent results from SPEAR include measurements of Cabibbo-suppressed decay modes of the tau (Mark II), and a limit on the decay J/psi ..-->.. ..gamma.. + axion (Crystal Ball).

Porter, F.C.

1981-08-01T23:59:59.000Z

382

Search Results Quadrats  

NLE Websites -- All DOE Office Websites (Extended Search)

lassoquadratss-searchresults-quadrat2007.lasso (1 of 2)2808 10:29 PM Search Results Quadrats 3584 Lederman Science Center Public16B 3586 Lederman Science Center...

383

Search Results Quadrats  

NLE Websites -- All DOE Office Websites (Extended Search)

2arr.lasso121112 5:07:23 PM Search Results Quadrats Public Quadrats Data collected by the public with the guidance of docents. Click the Quadrat Id to view more details about...

384

Monolithic or hierarchical star formation? A new statistical analysis  

E-Print Network (OSTI)

We consider an analytic model of cosmic star formation which incorporates supernova feedback, gas accretion and enriched outflows, reproducing the history of cosmic star formation, metallicity, supernovae type II rates and the fraction of baryons allocated to structures. We present a new statistical treatment of the available observational data on the star formation rate and metallicity that accounts for the presence of possible systematics. We then employ a Bayesian Markov Chain Monte Carlo method to compare the predictions of our model with observations and derive constraints on the 7 free parameters of the model. We find that the dust correction scheme one chooses to adopt for the star formation data is critical in determining which scenario is favoured between a hierarchical star formation model, where star formation is prolonged by accretion, infall and merging, and a monolithic scenario, where star formation is rapid and efficient. We distinguish between these modes by defining a characteristic minimum mass, M > 10^{11} M_solar, in our fiducial model, for early type galaxies where star formation occurs efficiently. Our results indicate that the hierarchical star formation model can achieve better agreement with the data, but that this requires a high efficiency of supernova-driven outflows. In a monolithic model, our analysis points to the need for a mechanism that drives metal-poor winds, perhaps in the form of supermassive black hole-induced outflows. Furthermore, the relative absence of star formation beyond z ~ 5 in the monolithic scenario requires an alternative mechanism to dwarf galaxies for reionizing the universe at z ~ 11, as required by observations of the microwave background. While the monolithic scenario is less favoured in terms of its quality-of-fit, it cannot yet be excluded.

Marios Kampakoglou; Roberto Trotta; Joe Silk

2007-09-07T23:59:59.000Z

385

Annual Energy Outlook with Projections to 2025-Model Results  

Gasoline and Diesel Fuel Update (EIA)

4 with Projections to 2025 Data Tables Adobe Acrobat Reader Logo Adobe Acrobat Reader is required for PDF format MS Excel Viewer Spreadsheets are provided in excel Model Results in...

386

Annual Energy Outlook with Projections to 2025-Model Results  

Gasoline and Diesel Fuel Update (EIA)

5 with Projections to 2025 Data Tables Adobe Acrobat Reader Logo Adobe Acrobat Reader is required for PDF format MS Excel Viewer Spreadsheets are provided in excel Model Results in...

387

Diversifying search results  

Science Conference Proceedings (OSTI)

We study the problem of answering ambiguous web queries in a setting where there exists a taxonomy of information, and that both queries and documents may belong to more than one category according to this taxonomy. We present a systematic approach to ... Keywords: marginal utility, relevance, result diversification

Rakesh Agrawal; Sreenivas Gollapudi; Alan Halverson; Samuel Ieong

2009-02-01T23:59:59.000Z

388

Key Research Results Achievement  

E-Print Network (OSTI)

daylighting options for specific spaces with sample design layouts · Various HVAC system types that achieve%energysavingsovercode.NREL developedthesimulationtoolsandledthe committeethatproducedtheguides. Key Result TheAdvanced school in Greensburg, Kansas, used many of the energy efficiency measures outlined in the Advanced Energy

389

Typed Common Intermediate Format Dept. of Computer Science  

E-Print Network (OSTI)

FLINT, to model the semantics and interactions of vari­ ous language­specific features. FLINT is based of primitive types and functions. FLINT provides a common compiler infrastructure that can be quickly adapted system, FLINT serves as a great platform for reasoning about cross­ language interoperations. FLINT types

390

Notices Accessible Format: Individuals with  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

472 Federal Register 472 Federal Register / Vol. 77, No. 83 / Monday, April 30, 2012 / Notices Accessible Format: Individuals with disabilities can obtain this document in an accessible format (e.g., braille, large print, audiotape, or computer diskette) on request to the program contact person listed under FOR FURTHER INFORMATION CONTACT. Electronic Access to This Document: The official version of this document is the document published in the Federal Register. Free Internet access to the official edition of the Federal Register and the Code of Federal Regulations is available via the Federal Digital System at: www.gpo.gov/fdsys. At this site you can view this document, as well as all other documents of this Department published in the Federal Register, in text or Adobe Portable Document

391

Living Laboratory Demonstration Results  

Science Conference Proceedings (OSTI)

The current market is populated with technologies designed for demand-side management applications by targeting power at the load. Automated panelboards bring a unique opportunity to the realm of demand-side management because they are specifically designed to manage loads at the branch circuit. This report investigates the applications and use of automated panelboards in commercial and industrial applications. The report also includes the results of a test performed on an automated panel designed for re...

2009-02-26T23:59:59.000Z

392

Clinical and Isokinetic Results  

E-Print Network (OSTI)

The importance of the menisci for transmitting workloads in the knee joint to protect the articular cartilage is widely acknowledged. Therefore various techniques have been introduced to repair the damaged meniscus. We performed an arthroscopic meniscus repair with a modified outside-in technique on 29 patients (average 25 years) between 2/91 and 10/94. The average time between trauma and operation was 29 weeks (1-186) the follow-up 16.3 months (4-49). All the patients were interviewed by phone 23 were available for clinical respectively isokinetic examination, and categorized following the Lysholm and Lais scores. Twenty-eight patients were happy with the result of the procedure. Following the Lysholm score we found 78 % good]excellent results (Lais score 74%). Isokinetic testing showed a muscular deficit of less than 20 % in 91 % of the cases for flexion (extension 69%). No significant influence neither of the age of the patient nor the time period between trauma and operation on the outcome of the procedure could be found. No complications were reported. Based on our results and well aware of the deleterious long term effects of total meniscectomy the arthroscopic menical repair performed by an experienced surgeon should be generous choice of therapy for the treatment of the ruptured meniscus.

Arthroscopic Meniscus Repair; Christoph Erggelet A; Carmen Grosse B; Hans-rudolph Henche B; Bart De Koning

1997-01-01T23:59:59.000Z

393

WMAP First Year Results  

E-Print Network (OSTI)

The Wilkinson Microwave Anisotropy Probe (WMAP) science team has released results from the first year of operation at the Earth-Sun L2 Lagrange point. The maps are consistent with previous observations but have much better sensitivity and angular resolution than the COBE DMR maps, and much better calibration accuracy and sky coverage than ground-based and balloon-borne experiments. The angular power spectra from these ground-based and balloon-borne experiments are consistent within their systematic and statistical uncertainties with the WMAP results. WMAP detected the large angular-scale correlation between the temperature and polarization anisotropies of the CMB caused by electron scattering since the Universe became reionized after the "Dark Ages", giving a value for the electron scattering optical depth of 0.17+/-0.04. The simplest Lambda-CDM model with n=1 and Omega_tot=1 provides an adequate fit to the WMAP data and gives parameters which are consistent with determinations of the Hubble constant and observations of the accelerating Universe using supernovae. The time-ordered data, maps, and power spectra from WMAP can be found at http://lambda.gsfc.nasa.gov along with 13 papers by the WMAP science team describing the results in detail.

E. L. Wright

2003-06-05T23:59:59.000Z

394

SemEval 2010 5th International Workshop on Semantic Evaluation  

E-Print Network (OSTI)

, population, VMT, and street network factors in crashes 2001-2002 in the #12;Page 8 Syrian capital of Damascus-Masaeid and Suleiman 2004 Damascus, Syria 14 urban zones 2001-2002 VMT, population, land use, street network an Oregon Traffic Accident and Insurance Report within 72 hours if they are involved in a crash that results

395

Help:Formatting | Open Energy Information  

Open Energy Info (EERE)

Formatting Formatting Jump to: navigation, search You can format your text using wiki markup. This consists of normal characters like asterisks, single quotes or equation marks which have a special function in the wiki, sometimes depending on their position. For example, to format a word in italic, you include it in two single quotes like ''this'' Contents 1 Text formatting markup 2 Paragraphs 3 HTML 4 Other formatting Text formatting markup Description You type You get character formatting - applies anywhere Italic text ''italic'' italic Bold text '''bold''' bold Bold and italic '''''bold & italic''''' bold & italic Escape wiki markup no ''markup'' no ''markup'' section formatting - only at the beginning of the line Headings of different levels

396

Rapid Gas Hydrate Formation Processes: Will They Work?  

SciTech Connect

Researchers at DOE’s National Energy Technology Laboratory (NETL) have been investigating the formation of synthetic gas hydrates, with an emphasis on rapid and continuous hydrate formation techniques. The investigations focused on unconventional methods to reduce dissolution, induction, nucleation and crystallization times associated with natural and synthetic hydrates studies conducted in the laboratory. Numerous experiments were conducted with various high-pressure cells equipped with instrumentation to study rapid and continuous hydrate formation. The cells ranged in size from 100 mL for screening studies to proof-of-concept studies with NETL’s 15-Liter Hydrate Cell. Results from this work demonstrate that the rapid and continuous formation of methane hydrate is possible at predetermined temperatures and pressures within the stability zone of a Methane Hydrate Stability Curve (see Figure 1).

Brown, T.D.; Taylor, C.E.; Bernardo, M.P.

2010-01-01T23:59:59.000Z

397

DOE Average Results  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

DOE DOE Average Results FY 12 DOE Target FY 12 Customer Perspective: Customer Satisfaction: -Timeliness 92 88 -Quality 94 92 Effective Service Partnership: -Extent of Customer Satisfaction with the responsiveness, etc. 90 92 Internal Business Perspective: Acquisition Excellence: -Extent to which internal quality control systems are effective 90 88 Most Effective Use of Contracting Approaches to Maximize Efficiency and Cost Effectiveness: Use of Competition: -% of total $'s obligated on competitive acquisitions >$3000 (Agency Level Only) 94 85 -% of acquisition actions competed for actions > $3000 (Agency Level Only) 65 68 Performance Based Acquisition: - % PBA actions relative to total eligible new acquisition actions (applicable to new actions > $25K) 82

398

Nuclear Reaction Rates and Carbon Star Formation  

E-Print Network (OSTI)

We have studied how the third dredge-up and the carbon star formation in low-mass Asymptotic Giant Branch stars depends on certain key nuclear reaction rates. We find from a set of complete stellar evolution calculations of a 2Msun model with Z=0.01 including mass loss, that varying either the N14(p,g)O15 or the 3-alpha reaction rate within their uncertainties as given in the NACRE compilation results in dredge-up and yields that differ by a factor of 2. Model tracks with a higher rate for the 3-alpha rate and a lower rate for the N14(p,g)O15 reaction both show more efficient third dredge-up. New experimental results for the N14(p,g)O15 reaction rates are surveyed, yielding a rate which is about 40% lower than the tabulated NACRE rate, and smaller than NACRE's lower limit. We discuss the possible implications of the revised nuclear reaction stellar evolution calculations that aim to reproduce the observed carbon star formation at low mass, which requires efficient third dredge-up.

Falk Herwig; Sam M. Austin

2004-08-21T23:59:59.000Z

399

Recent Results from HAPPEX  

DOE Green Energy (OSTI)

New measurements of the parity-violating asymmetry in elastic scattering of 3GeV electrons off hydrogen and helium-4 targets at theta{sub lab} = 6 degrees are reported. The helium-4 result is A = (+6.40 {+-} 0.23 (stat) {+-} 0.12 (syst)) * 10{sup -6}. The hydrogen result is A = (-1.58 {+-} 0.12 (stat) {+-} 0.04 (syst)) * 10{sup -6}. The asymmetry for hydrogen is a function of a linear combination of G{sub E}{sup s} and G{sub M}{sup s}, the strange quark contributions to the electric and magnetic form factors of the nucleon respectively, and that for helium-4 is a function solely of G{sub E}{sup s}. The combination of the two measurements separates G{sub E}{sup s} and G{sub M}{sup s} and provide new limits on the role of strange quarks in the nucleon charge and magnetization distributions. We extract G{sub E}{sup s} = 0.002 {+-} 0.014 {+-} 0.007 at Q{sup 2} = 0.077 GeV{sup 2} and G{sub E}{sup s} + 0.09 G{sub M}{sup s} = 0.007 {+-} 0.011 {+-} 0.006 at Q{sup 2} = 0.109 GeV{sup 2}.

Robert Michaels

2006-09-18T23:59:59.000Z

400

Formation Testing Techniques | Open Energy Information  

Open Energy Info (EERE)

Formation Testing Techniques Formation Testing Techniques Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Formation Testing Techniques Details Activities (0) Areas (0) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Formation Testing Techniques Parent Exploration Technique: Downhole Techniques Information Provided by Technique Lithology: Stratigraphic/Structural: Hydrological: Thermal: Dictionary.png Formation Testing Techniques: No definition has been provided for this term. Add a Definition References No exploration activities found. Print PDF Retrieved from "http://en.openei.org/w/index.php?title=Formation_Testing_Techniques&oldid=601973" Categories: Downhole Techniques Exploration Techniques

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Undulator Transportation Test Results  

SciTech Connect

A test was performed to determine whether transporting and handling the undulators makes any changes to their properties. This note documents the test. No significant changes to the test undulator were observed. After the LCLS undulators are tuned and fiducialized in the Magnetic Measurement Facility (MMF), they must be transported to storage buildings and transported to the tunnel. It has been established that the undulators are sensitive to temperature. We wish to know whether the undulators are also sensitive to the vibrations and shocks of transportation. To study this issue, we performed a test in which an undulator was measured in the MMF, transported to the tunnel, brought back to the MMF, and re-measured. This note documents the test and the results.

Wolf, Zachary

2010-11-17T23:59:59.000Z

402

Iron Mountain Electromagnetic Results  

SciTech Connect

Iron Mountain Mine is located seventeen miles northwest of Redding, CA. After the completion of mining in early 1960s, the mine workings have been exposed to environmental elements which have resulted in degradation in water quality in the surrounding water sheds. In 1985, the EPA plugged ore stoops in many of the accessible mine drifts in an attempt to restrict water flow through the mine workings. During this process little data was gathered on the orientation of the stoops and construction of the plugs. During the last 25 years, plugs have begun to deteriorate and allow acidic waters from the upper workings to flow out of the mine. A team from Idaho National Laboratory (INL) performed geophysical surveys on a single mine drift and 3 concrete plugs. The project goal was to evaluate several geophysical methods to determine competence of the concrete plugs and orientation of the stopes.

Gail Heath

2012-07-01T23:59:59.000Z

403

A SIMPLE LAW OF STAR FORMATION  

SciTech Connect

We show that supersonic MHD turbulence yields a star formation rate (SFR) as low as observed in molecular clouds, for characteristic values of the free-fall time divided by the dynamical time, t{sub ff}/t{sub dyn}, the Alfvenic Mach number, M{sub a}, and the sonic Mach number, M{sub s}. Using a very large set of deep adaptive-mesh-refinement simulations, we quantify the dependence of the SFR per free-fall time, {epsilon}{sub ff}, on the above parameters. Our main results are (1) that {epsilon}{sub ff} decreases exponentially with increasing t{sub ff}/t{sub dyn}, but is insensitive to changes in M{sub s}, for constant values of t{sub ff}/t{sub dyn} and M{sub a}. (2) Decreasing values of M{sub a} (stronger magnetic fields) reduce {epsilon}{sub ff}, but only to a point, beyond which {epsilon}{sub ff} increases with a further decrease of M{sub a}. (3) For values of M{sub a} characteristic of star-forming regions, {epsilon}{sub ff} varies with M{sub a} by less than a factor of two. We propose a simple star formation law, based on the empirical fit to the minimum {epsilon}{sub ff}, and depending only on t{sub ff}/t{sub dyn}: {epsilon}{sub ff} Almost-Equal-To {epsilon}{sub wind}exp (- 1.6 t{sub ff}/t{sub dyn}). Because it only depends on the mean gas density and rms velocity, this law is straightforward to implement in simulations and analytical models of galaxy formation and evolution.

Padoan, Paolo [ICREA and ICC, University of Barcelona, Marti i Franques 1, E-08028 Barcelona (Spain); Haugbolle, Troels [Centre for Star and Planet Formation, University of Copenhagen, Oestervoldgade 5-7., DK-1350, Copenhagen (Denmark); Nordlund, Ake, E-mail: ppadoan@icc.ub.edu, E-mail: haugboel@nbi.dk, E-mail: aake@nbi.dk [Centre for Star and Planet Formation and Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, DK-2100, Copenhagen (Denmark)

2012-11-10T23:59:59.000Z

404

Search Results Quadrats  

NLE Websites -- All DOE Office Websites (Extended Search)

1arr.lasso[3/10/12 2:57:33 PM] 1arr.lasso[3/10/12 2:57:33 PM] Search Results Quadrats Public Quadrats Data collected by the public with the guidance of docents. Click the Quadrat Id to view more details about that record. Quadrat Id School Teacher Prairie Plot 4940 Lederman Science Center Docent16B Fermilab 16B 4941 Lederman Science Center Docent16B Fermilab 16B 4942 Lederman Science Center Docent16B Fermilab 16B 4946 Lederman Science Center Docent16B Fermilab 16B 4947 Lederman Science Center Docent16B Fermilab 16B 4948 Lederman Science Center Docent16B Fermilab 16B 4949 Lederman Science Center Docent16B Fermilab 16B 4950 Lederman Science Center Docent16B Fermilab 16B Database Maintainer: prairie-data@fnal.gov Web Maintainer: ed-webmaster@fnal.gov Last Updated: February 18, 2011 http://eddata.fnal.gov/lasso/quadrats/s-searchresults-quadrat.lasso

405

Results from hadron colliders  

SciTech Connect

The present status of hadron collider physics is reviewed. The total cross section for {bar p} + p has been measured at 1.8 TeV: {sigma}{sub tot} = 72.1 {plus minus} 3.3 mb. New data confirm the UA2 observation of W/Z {yields} {bar q}q. Precision measurements of M{sub W} by UA2 and CDF give an average value M{sub W} = 80.13 {plus minus} 0.30 GeV/c{sup 2}. When combined with measurements of M{sub Z} from LEP and SLC this number gives sin{sup 2}{theta}{sub W} = 0.227 {plus minus} 0.006, or m{sub top} = 130{sub {minus}60}{sup +40} GeV/c{sup 2} from the EWK radiative correction term {Delta}r. Evidence for hadron colliders as practical sources of b quarks has been strengthened, while searches for t quarks have pushed the mass above M{sub W}: m{sub top} > 89 GeV/c{sup 2} 95% cl (CDF Preliminary). Searches beyond the standard model based on the missing E{sub T} signature have not yet produced any positive results. Future prospects for the discovery of the top quark in the range m{sub top} < 200 GeV/c{sup 2} look promising. 80 refs., 35 figs., 7 tabs.

Pondrom, L.G. (Wisconsin Univ., Madison, WI (USA))

1990-12-14T23:59:59.000Z

406

Wormhole formation in dissolving fractures  

E-Print Network (OSTI)

We investigate the dissolution of artificial fractures with three-dimensional, pore-scale numerical simulations. The fluid velocity in the fracture space was determined from a lattice-Boltzmann method, and a stochastic solver was used for the transport of dissolved species. Numerical simulations were used to study conditions under which long conduits (wormholes) form in an initially rough but spatially homogeneous fracture. The effects of flow rate, mineral dissolution rate and geometrical properties of the fracture were investigated, and the optimal conditions for wormhole formation determined.

Szymczak, P

2009-01-01T23:59:59.000Z

407

Petrophysical evaluation of subterranean formations  

DOE Patents (OSTI)

Methods and systems are provided for evaluating petrophysical properties of subterranean formations and comprehensively evaluating hydrate presence through a combination of computer-implemented log modeling and analysis. Certain embodiments include the steps of running a number of logging tools in a wellbore to obtain a variety of wellbore data and logs, and evaluating and modeling the log data to ascertain various petrophysical properties. Examples of suitable logging techniques that may be used in combination with the present invention include, but are not limited to, sonic logs, electrical resistivity logs, gamma ray logs, neutron porosity logs, density logs, NRM logs, or any combination or subset thereof.

Klein, James D; Schoderbek, David A; Mailloux, Jason M

2013-05-28T23:59:59.000Z

408

The Formation of Hurricane Frederic of 1979  

Science Conference Proceedings (OSTI)

A high-resolution global model forecast of the formation of Hurricane Frederic of 1979 is analyzed by means of several diagnostic computations on the model's output history. The formation is addressed from an analysis of limited-area energetics ...

T. N. Krishnamurthi; H. S. Bedi; Darlene Oosterhof; Vivek Hardiker

1994-06-01T23:59:59.000Z

409

Negative ion formation processes: A general review  

SciTech Connect

The principal negative ion formation processes will be briefly reviewed. Primary emphasis will be placed on the more efficient and universal processes of charge transfer and secondary ion formation through non-thermodynamic surface ionization. 86 refs., 20 figs.

Alton, G.D.

1990-01-01T23:59:59.000Z

410

Dynamics and control of electromagnetic satellite formations  

E-Print Network (OSTI)

Satellite formation flying is an enabling technology for many space missions, especially for space-based telescopes. Usually there is a tight formation-keeping requirement that may need constant expenditure of fuel or at ...

Ahsun, Umair, 1972-

2007-01-01T23:59:59.000Z

411

Western North Pacific Monsoon Depression Formation  

Science Conference Proceedings (OSTI)

Relatively few studies have been carried out as to the conditions leading to the formation of monsoon depressions in the western North Pacific. Two monsoon depression formations during July 2007 were analyzed using ECMWF analyses and satellite ...

Jodi C. Beattie; Russell L. Elsberry

2012-12-01T23:59:59.000Z

412

Treating nahcolite containing formations and saline zones  

Science Conference Proceedings (OSTI)

A method for treating a nahcolite containing subsurface formation includes removing water from a saline zone in or near the formation. The removed water is heated using a steam and electricity cogeneration facility. The heated water is provided to the nahcolite containing formation. A fluid is produced from the nahcolite containing formation. The fluid includes at least some dissolved nahcolite. At least some of the fluid is provided to the saline zone.

Vinegar, Harold J

2013-06-11T23:59:59.000Z

413

Unifying biological image formats with HDF5  

Science Conference Proceedings (OSTI)

The biosciences need an image format capable of high performance and long-term maintenance. Is HDF5 the answer?

Matthew T. Dougherty; Michael J. Folk; Erez Zadok; Herbert J. Bernstein; Frances C. Bernstein; Kevin W. Eliceiri; Werner Benger; Christoph Best

2009-10-01T23:59:59.000Z

414

Star Formation and Chemical Evolution of Lyman-Break Galaxies  

E-Print Network (OSTI)

The number density and clustering properties of Lyman-break galaxies (LBGs) observed at redshift $z\\sim 3$ are best explained by assuming that they are associated with the most massive haloes at $z\\sim 3$ predicted in hierarchical models of structure formation. In this paper we study, under the same assumption, how star formation and chemical enrichment may have proceeded in the LBG population. A consistent model, in which the amount of cold gas available for star formation must be regulated, is suggested. It is found that gas cooling in dark haloes provides a natural regulation process. In this model, the star formation rate in an LBG host halo is roughly constant over about 1 Gyr. The predicted star formation rates and effective radii are consistent with observations. The metallicity of the gas associated with an LBG is roughly equal to the chemical yield, or about the order of $1 Z_{\\odot}$ for a Salpeter IMF. The contribution to the total metals of LBGs is roughly consistent with that obtained from the observed cosmic star formation history. The model predicts a marked radial metallicity gradient in a galaxy, with the gas in the outer region having much lower metallicity. As a result, the metallicities for the damped Lyman-alpha absorption systems expected from the LBG population are low. Since LBG halos are filled with hot gas in this model, their contributions to the soft X-ray background and to the UV ionization background are calculated and discussed.

Chenggang Shu

2000-02-21T23:59:59.000Z

415

Hybrid System Design for Formations of Autonomous Vehicles  

E-Print Network (OSTI)

Cooperative control of multiple unmanned aerial vehicles (UAVs) poses significant theoretical and technical challenges. Recent advances in sensing, communication and computation enable the conduct of cooperative multiple-UAV missions deemed impossible in the recent past. We are interested in solving the Formation Reconfiguration Planning (FRP) problem which is focused on determining a nominal state and input trajectory for each vehicle such that the group can start from the given initial configuration and reach its given final configuration at the specified time while satisfying a set of given inter- and intra- vehicle constraints. Each solution of a FRP problem represents a distinct reconfiguration mode. When coupled with formation keeping modes, they can form a hybrid automaton of formation maneuvers in which a transition from one formation maneuver to another formation maneuver is governed by a finite automaton. This paper focuses on the implementation of the optimized hybrid system approach to formation reconfiguration for a group of 1 real and 3 virtual UAVs. Experimental results performed in the Richmond Field Station by using a helicopter-based Berkeley Aerial Robot are presented. 1

Shannon Zelinski; T. John Koo; Shankar Sastry

2003-01-01T23:59:59.000Z

416

Coring in deep hardrock formations  

DOE Green Energy (OSTI)

The United States Department of Energy is involved in a variety of scientific and engineering feasibility studies requiring extensive drilling in hard crystalline rock. In many cases well depths extend from 6000 to 20,000 feet in high-temperature, granitic formations. Examples of such projects are the Hot Dry Rock well system at Fenton Hill, New Mexico and the planned exploratory magma well near Mammoth Lakes, California. In addition to these programs, there is also continuing interest in supporting programs to reduce drilling costs associated with the production of geothermal energy from underground sources such as the Geysers area near San Francisco, California. The overall progression in these efforts is to drill deeper holes in higher temperature, harder formations. In conjunction with this trend is a desire to improve the capability to recover geological information. Spot coring and continuous coring are important elements in this effort. It is the purpose of this report to examine the current methods used to obtain core from deep wells and to suggest projects which will improve existing capabilities. 28 refs., 8 figs., 2 tabs.

Drumheller, D.S.

1988-08-01T23:59:59.000Z

417

A metrics framework for evaluating group formation  

Science Conference Proceedings (OSTI)

Many approaches to learning and teaching rely upon students working in groups. So far, many Computer-Supported Group Formation systems have been designed to facilitate the formation of optimal groups in learning. However, evaluating the quality of automated ... Keywords: efficiency, group formation, optimization

Asma Ounnas; David E. Millard; Hugh C. Davis

2007-11-01T23:59:59.000Z

418

Magnetic Fields in Population III Star Formation  

DOE Green Energy (OSTI)

We study the buildup of magnetic fields during the formation of Population III star-forming regions, by conducting cosmological simulations from realistic initial conditions and varying the Jeans resolution. To investigate this in detail, we start simulations from identical initial conditions, mandating 16, 32 and 64 zones per Jeans length, and studied the variation in their magnetic field amplification. We find that, while compression results in some amplification, turbulent velocity fluctuations driven by the collapse can further amplify an initially weak seed field via dynamo action, provided there is sufficient numerical resolution to capture vortical motions (we find this requirement to be 64 zones per Jeans length, slightly larger than, but consistent with previous work run with more idealized collapse scenarios). We explore saturation of amplification of the magnetic field, which could potentially become dynamically important in subsequent, fully-resolved calculations. We have also identified a relatively surprising phenomena that is purely hydrodynamic: the higher-resolved simulations possess substantially different characteristics, including higher infall-velocity, increased temperatures inside 1000 AU, and decreased molecular hydrogen content in the innermost region. Furthermore, we find that disk formation is suppressed in higher-resolution calculations, at least at the times that we can follow the calculation. We discuss the effect this may have on the buildup of disks over the accretion history of the first clump to form as well as the potential for gravitational instabilities to develop and induce fragmentation.

Turk, Matthew J.; Oishi, Jeffrey S.; Abel, Tom; Bryan, Greg

2012-02-22T23:59:59.000Z

419

Dilute Surfactant Methods for Carbonate Formations  

Science Conference Proceedings (OSTI)

There are many carbonate reservoirs in US (and the world) with light oil and fracture pressure below its minimum miscibility pressure (or reservoir may be naturally fractured). Many carbonate reservoirs are naturally fractured. Waterflooding is effective in fractured reservoirs, if the formation is water-wet. Many fractured carbonate reservoirs, however, are mixed-wet and recoveries with conventional methods are low (less than 10%). Thermal and miscible tertiary recovery techniques are not effective in these reservoirs. Surfactant flooding (or huff-n-puff) is the best hope, yet it was developed for sandstone reservoirs in the past. The goal of this research is to evaluate dilute (hence relatively inexpensive) surfactant methods for carbonate formations and identify conditions under which they can be effective. Laboratory-scale surfactant brine imbibition experiments give high oil recovery (35-62% OOIP) for initially oil-wet cores through wettability alteration and IFT reduction. Core-scale simulation results match those of the experiments. Initial capillarity-driven imbibition gives way to a final gravity-driven process. As the matrix block height increases, surfactant alters wettability to a lesser degree, or permeability decreases, oil production rate decreases. The scale-up to field scale will be further studied in the next quarter.

Kishore K. Mohanty

2005-10-01T23:59:59.000Z

420

Molecular Hydrogen Formation on Amorphous Silicates Under Interstellar Conditions  

E-Print Network (OSTI)

Experimental results on the formation of molecular hydrogen on amorphous silicate surfaces are presented for the first time and analyzed using a rate equation model. The energy barriers for the relevant diffusion and desorption processes are obtained. They turn out to be significantly higher than those obtained earlier for polycrystalline silicates, demonstrating the importance of grain morphology. Using these barriers we evaluate the efficiency of molecular hydrogen formation on amorphous silicate grains under interstellar conditions. It is found that unlike polycrystalline silicates, amorphous silicate grains are efficient catalysts of H$_{2}$ formation within a temperature range which is relevant to diffuse interstellar clouds. The results also indicate that the hydrogen molecules are thermalized with the surface and desorb with low kinetic energy. Thus, they are unlikely to occupy highly excited states.

Hagai B. Perets; Adina Lederhendler; Ofer Biham; Gianfranco Vidali; Ling Li; Sol Swords; Emanuele Congiu; Joe Roser; Giulio Manico; John Robert Brucato; Valerio Pirronello

2007-03-11T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Molecular cloud formation and magnetic fields in spiral galaxies  

E-Print Network (OSTI)

We present ongoing hydrodynamic and MHD simulations of molecular cloud formation in spiral galaxies. The hydrodynamic results show the formation of molecular gas clouds where spiral shocks compress atomic gas to high densities. The spiral shocks also produce structure in the spiral arms, provided the gas is cold (gas than when a single phase is assumed. We also discuss very recent results from galactic-scale MHD calculations. From observational comparisons of the magnetic and thermal pressure, magnetic fields are expected to be a major factor in explaining the dynamics of the ISM, from kpc scales to those of star formation. We describe the difference in structure of the spiral arms, and the evolution of the global magnetic field for a range of field strengths.

Clare Dobbs; Daniel Price; Ian Bonnell

2007-06-26T23:59:59.000Z

422

ORNL DAAC, global climate data, GIS formats  

NLE Websites -- All DOE Office Websites (Extended Search)

Data in GIS Formats Data in GIS Formats ORNL DAAC has re-released a key climatology data set in two additional formats especially suitable for geographic information system (GIS) users. Version 2.1 of "Global 30-Year Mean Monthly Climatology, 1930-1960 (Cramer and Leemans)" now offers the data in ASCII GRID format and binary format. These formats can be read directly into software packages such as ESRI's ARC/INFO and ERDAS' IMAGINE. The Cramer and Leemans climatology data set contains monthly averages of mean temperature, temperature range, precipitation, rain days, and sunshine hours for the terrestrial surface of the globe. It is gridded at a 0.5-degree longitude/latitude resolution. The Cramer and Leemans data are also available in the original ASCII format, which can be read in FORTRAN or with programs such as SAS.

423

Star Formation History and Other Properties of the Northern HDF  

E-Print Network (OSTI)

The original analysis of the star formation history in the NICMOS Deep images of the NHDF is extended to the entire NHDF utilizing NICMOS and WFPC2 archival data. The roughly constant star formation rate from redshifts 1 to 6 found in this study is consistent with the original results. Star formation rates from this study, Lyman break galaxies and sub-mm observations are now in concordance The spike of star formation at redshift 2 due to 2 ULIRGs in the small Deep NICMOS field is smoothed out in the larger area results presented here. The larger source base of this study allows comparison with predictions from hierarchical galaxy formation models. In general the observation are consistent with the predictions. The observed luminosity functions at redshifts 1-6 are presented for future comparisons with theoretical galaxy evolution calculations. Mid and far infrared properties of the sources are also calculated and compared with observations. A candidate for the VLA source VLA 3651+1221 is discussed.

Rodger I. Thompson

2003-06-27T23:59:59.000Z

424

The Fluid Mechanics of Gravitational Structure Formation  

E-Print Network (OSTI)

The standard model for gravitational structure formation in astrophysics, astronomy, and cosmology is questioned. Cold dark matter (CDM) hierarchical clustering cosmology neglects particle collisions, viscosity, turbulence and diffusion and makes predictions in conflict with observations. From Jeans 1902 and CDMHC, the non-baryonic dark matter NBDM forms small clumps during the plasma epoch after the big bang that ``cluster'' into larger clumps. CDM halo clusters collect the baryonic matter (H and He) by gravity so that after 300 Myr of ``dark ages'', huge, explosive (Population III) first stars appear, and then galaxies and galaxy clusters. Contrary to CDMHC cosmology, ``hydro-gravitational-dynamics'' HGD cosmology suggests the diffusive NBDM material cannot clump and the clumps cannot cluster. From HGD, the big bang results from an exothermic turbulent instability at Planck scales (10^{-35} m). Turbulent stresses cause an inflation of space and fossil density turbulence remnants that trigger gravitational i...

Gibson, C H

2006-01-01T23:59:59.000Z

425

Mental Representations Formed From Educational Website Formats  

Science Conference Proceedings (OSTI)

The increasing popularity of web-based distance education places high demand on distance educators to format web pages to facilitate learning. However, limited guidelines exist regarding appropriate writing styles for web-based distance education. This study investigated the effect of four different writing styles on reader’s mental representation of hypertext. Participants studied hypertext written in one of four web-writing styles (e.g., concise, scannable, objective, and combined) and were then administered a cued association task intended to measure their mental representations of the hypertext. It is hypothesized that the scannable and combined styles will bias readers to scan rather than elaborately read, which may result in less dense mental representations (as identified through Pathfinder analysis) relative to the objective and concise writing styles. Further, the use of more descriptors in the objective writing style will lead to better integration of ideas and more dense mental representations than the concise writing style.

Elizabeth T. Cady; Kimberly R. Raddatz; Tuan Q. Tran; Bernardo de la Garza; Peter D. Elgin

2006-10-01T23:59:59.000Z

426

Results  

Science Conference Proceedings (OSTI)

... Stoichiometric calculations [32] indicate that these two samples would contain approximately the same volume fractions of CSH gel, which suggests ...

2002-05-08T23:59:59.000Z

427

Signalling pathway in appressorium formation in Magnaporthe grisea  

E-Print Network (OSTI)

We identified a synthetic hexapeptide that blocks Magnaporthe grisea appressorium formation, in artificial hydrophobic surface. The results suggest that peptides interfere with surface recognition. M. grisea non pathogenic pth1 mutants were complemented by N. crassa orthologous gene suggesting that the biochemical function of pth1 has not evolved specifically to play a role in appressorium development.

Filippi, Marta Cristina

2004-08-01T23:59:59.000Z

428

The Influence of Bismuth on Microstructure and Porosity Formation ...  

Science Conference Proceedings (OSTI)

The results show that a small amount of bismuth has no significant impact on the formation of ... A Multi-Scale 3D Model of the Vacuum Arc Remelting Process ... Deformation Prediction of a Heavy Hydro Turbine Blade During Casting Process

429

OXIDES OF NITROGEN: FORMATION AND CONTROL IN RESOURCE RECOVERY FACILITIES  

E-Print Network (OSTI)

utilizing all of the known techniques for NOx reduction. To be precise, the NOx formed within the flame] and several others [6, 7] have suggested certain reduction methods which are consistent with NOx formation, not solid waste. The results of NOx reduction techniques in coal combustion should be applied with caution

Columbia University

430

Search Results | Department of Energy  

NLE Websites -- All DOE Office Websites (Extended Search)

Search Results Search Results Search Results Enter terms Search Showing 1 - 10 of 49,006 results. Rebate COOLAdvantage Program '''''Note: Residents affected by Hurricane Sandy...

431

The Star Formation History in a Hierarchical Universe  

E-Print Network (OSTI)

Observations now probe the star formation history of the Universe back to a redshift of $z\\sim5$. We investigate whether the predictions of semi-analytic models of galaxy formation based on hierarchical Cold Dark Matter (CDM) type models are in agreement with these direct observations and also with the ``fossil'' evidence contained in constraints on the ages of present day early-type galaxies. Previous models predicted that the star formation rate density falls off rather steeply at $z\\ga 2$, and correspondingly that the majority of the stars in the Universe formed at relatively low redshift. We investigate the effect of including a bursting mode of star formation, assuming that galaxy-galaxy mergers trigger starbursts and using the merger rate that arises naturally in the CDM merging hierarchy. The resulting starbursts substantially increase the global star formation rate at high redshift, leading to predictions that are in good agreement with the star formation rate density at $z\\sim3$ obtained from sub-millimeter observations (SCUBA) and optical/UV estimates after correction for dust extinction. The mass of stars formed at $z \\ge 3$ is correspondingly in better agreement with the fossil evidence. We also investigate complementary global quantities such as the mass of cold gas and the average metallicity of cold gas as a function of redshift, and the integrated extra-galactic background light. We argue that these observations, taken together, provide strong constraints on the star formation history of the Universe, and that hierarchical models of the CDM type are in reasonable agreement with these observations when starbursts are included.

Rachel S. Somerville; Joel R. Primack

1998-10-31T23:59:59.000Z

432

Engineering Escherichia coli to Control Biofilm Formation, Dispersal, and Persister Cell Formation  

E-Print Network (OSTI)

Biofilms are formed in aquatic environments by the attachment of bacteria to submerged surfaces, to the air/liquid interface, and to each other. Although biofilms are associated with disease and biofouling, the robust nature of biofilms; for example, their ability to tolerate chemical and physical stresses, makes them attractive for beneficial biotechnology applications such as bioremediation and biofuels. Based on an understanding of diverse signals and regulatory networks during biofilm development, biofilms can be engineered for these applications by manipulating extracellular/intercellular signals and regulators. Here, we rewired the global regulator H-NS of Escherichia coli to control biofilm formation using random protein engineering. H-NS variant K57N was obtained that reduces biofilm formation 10-fold compared with wild-type H-NS (wild-type H-NS increases biofilm formation whereas H-NS K57N reduces it) via its interaction with the nucleoid-associated proteins Cnu and StpA. H-NS K57N leads to enhanced excision of the defective prophage Rac and results in cell lysis through the activation of a host killing toxin HokD. We also engineered another global regulator, Hha, which interacts with H-NS, to disperse biofilms. Hha variant Hha13D6 was obtained that causes nearly complete biofilm dispersal by increasing cell death by the activation of proteases. Bacterial quorum sensing (QS) systems are important components of a wide variety of engineered biological devices, since autoinducers are useful as input signals because they are small, diffuse freely in aqueous media, and are easily taken up by cells. To demonstrate that biofilms may be controlled for biotechnological applications such as biorefineries, we constructed a synthetic biofilm engineering circuit to manipulate biofilm formation. By using a population-driven QS switch based on the LasI/LasR system and biofilm dispersal proteins Hha13D6 and BdcAE50Q (disperses biofilms by titrating cyclic diguanylate), we displaced an existing biofilm and then removed the second biofilm. Persisters are a subpopulation of metabolically-dormant cells in biofilms that are resistant to antibiotics; hence, understanding persister cell formation is important for controlling bacterial infections. Here, we engineered toxin MqsR with greater toxicity and demonstrated that the more toxic MqsR increases persistence by decreasing the ability of the cell to respond to antibiotic stress through its RpoS-based regulation of acid resistance, multidrug resistance, and osmotic resistance systems.

Hong, Seok Hoon

2011-12-01T23:59:59.000Z

433

NETL: NATCARB - CO2 Storage Formations  

NLE Websites -- All DOE Office Websites (Extended Search)

Storage Formations Storage Formations NATCARB CO2 Storage Formations CO2 Storage Resource Methodology NATCARB Viewer The NATCARB Viewer is available at: http://www.natcarbviewer.com. 2012 Atlas IV DOE's Regional Carbon Sequestration Partnerships (RCSPs) were charged with providing a high-level, quantitative estimate of carbon dioxide (CO2) storage resource available in subsurface environments of their regions. Environments considered for CO2 storage were categorized into five major geologic systems: oil and gas reservoirs, unmineable coal areas, saline formations, shale, and basalt formations. Where possible, CO2 storage resource estimates have been quantified for oil and gas reservoirs, saline formations, and unmineable coal in the fourth edition of the United States Carbon Utilization and Storage Atlas (Atlas IV). Shale and basalt

434

Minimizing formation damage during gravel pack operations  

Science Conference Proceedings (OSTI)

A method is described for minimizing formation damage caused by intrusive fluids prior to a gravel packing operation in loosely consolidated formations penetrated by at least one well. The method comprises: filling the casing of the well with an underbalanced completion fluid; placing within the well a removable packer capable of isolating the space between the casing and the formation from the downhole well pressure; setting through the packer a first tubing suitable for perforating and stabilizing the flow of fluids into the well; perforating the casing; and introducing a blocking agent into the formation via the perforations which agent upon solidification is sufficient to minimize formation damage by avoiding the introduction of formation fluids.

Jennings, A.R. Jr.

1987-05-12T23:59:59.000Z

435

STAR FORMATION IN DENSE CLUSTERS  

SciTech Connect

A model of core-clump accretion with equally likely stopping describes star formation in the dense parts of clusters, where models of isolated collapsing cores may not apply. Each core accretes at a constant rate onto its protostar, while the surrounding clump gas accretes as a power of protostar mass. Short accretion flows resemble Shu accretion and make low-mass stars. Long flows resemble reduced Bondi accretion and make massive stars. Accretion stops due to environmental processes of dynamical ejection, gravitational competition, and gas dispersal by stellar feedback, independent of initial core structure. The model matches the field star initial mass function (IMF) from 0.01 to more than 10 solar masses. The core accretion rate and the mean accretion duration set the peak of the IMF, independent of the local Jeans mass. Massive protostars require the longest accretion durations, up to 0.5 Myr. The maximum protostar luminosity in a cluster indicates the mass and age of its oldest protostar. The distribution of protostar luminosities matches those in active star-forming regions if protostars have a constant birthrate but not if their births are coeval. For constant birthrate, the ratio of young stellar objects to protostars indicates the star-forming age of a cluster, typically {approx}1 Myr. The protostar accretion luminosity is typically less than its steady spherical value by a factor of {approx}2, consistent with models of episodic disk accretion.

Myers, Philip C., E-mail: pmyers@cfa.harvard.edu [Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138 (United States)

2011-12-10T23:59:59.000Z

436

The Formation and Fate of Trihalomethanes in Power Plant Cooling Water Systems  

Science Conference Proceedings (OSTI)

Trihalomethanes (THMs) are semi-volatile compounds that form in water when chlorine or bromine reacts with dissolved organic carbon. This report investigates the formation and fate of THM compounds in power plant cooling water systems, THM health risks, a generalized mechanism of THM formation, and the applicability of existing THM research to power plant cooling. The report presents results of a two-site sampling and analytical program designed to identify THM formation potential in cooling towers using...

2004-03-16T23:59:59.000Z

437

Chemical pathways for the formation of ammonia in Hanford wastes  

SciTech Connect

This report reviews chemical reactions leading to the formation of ammonia in Hanford wastes. The general features of the chemistry of the organic compounds in the Hanford wastes are briefly outlined. The radiolytic and thermal free radical reactions that are responsible for the initiation and propagation of the oxidative degradation reactions of the nitrogen-containing complexants, trisodium HEDTA and tetrasodium EDTA, are outlined. In addition, the roles played by three different ionic reaction pathways for the oxidation of the same compounds and their degradation products are described as a prelude to the discussion of the formation of ammonia. The reaction pathways postulated for its formation are based on tank observations, laboratory studies with simulated and actual wastes, and the review of the scientific literature. Ammonia derives from the reduction of nitrite ion (most important), from the conversion of organic nitrogen in the complexants and their degradation products, and from radiolytic reactions of nitrous oxide and nitrogen (least important). Reduction of nitrite ions is believed to be the most important source of ammonia. Whether by radiolytic or thermal routes, nitrite reduction reactions proceed through nitrogen dioxide, nitric oxide, the nitrosyl anion, and the hyponitrite anion. Nitrite ion is also converted into hydroxylamine, another important intermediate on the pathway to form ammonia. These reaction pathways additionally result in the formation of nitrous oxide and molecular nitrogen, whereas hydrogen formation is produced in a separate reaction sequence.

Stock, L.M.; Pederson, L.R.

1997-09-01T23:59:59.000Z

438

Molecular Cloud Evolution II. From cloud formation to the early stages of star formation in decaying conditions  

E-Print Network (OSTI)

We study the formation of giant dense cloud complexes and of stars within them by means of SPH numerical simulations of the mildly supersonic collision of gas streams (``inflows'') in the warm neutral medium (WNM). The resulting compressions cause cooling and turbulence generation in the gas, forming a cloud that then becomes self-gravitating and undergoes global collapse. Simultaneously, the turbulent, nonlinear density fluctuations induce fast, local collapse events. The simulations show that: a) The clouds are not in a state of equilibrium. Instead, they undergo secular evolution. Initially, their mass and gravitational energy |Eg| increase steadily, while the turbulent energy Ek reaches a plateau. b) When |Eg| becomes comparable to Ek, global collapse begins, causing a simultaneous increase in both that maintains a near-equipartition condition |Eg| ~ 2 Ek. c) Longer inflow durations delay the onset of global and local collapse, by maintaining a higher turbulent velocity dispersion in the cloud over longer times. d) The star formation rate is large from the beginning, without any period of slow and accelerating star formation. e) The column densities of the local star-forming clumps are very similar to reported values of the column density required for molecule formation, suggesting that locally molecular gas and star formation occur nearly simultaneously. The MC formation mechanism discussed here naturally explains the apparent ``virialized'' state of MCs and the ubiquitous presence of HI halos around them. Within their assumptions, our simulations support the scenario of rapid star formation after MCs are formed, although long (>~ 15 Myr) accumulation periods do occur during which the clouds build up their gravitational energy, and which are expected to be spent in the atomic phase.

E. Vazquez-Semadeni; G. C. Gomez; A. K. Jappsen; J. Ballesteros-Paredes; R. F. Gonzalez; R. S. Klessen

2006-08-17T23:59:59.000Z

439

ICE 62755 Standard N42 Data Format  

Science Conference Proceedings (OSTI)

IEC 62755 Standard N42 Data Format. Summary: The purpose ... The structure of the data is described by an XML schema. The schema ...

2013-06-05T23:59:59.000Z

440

Simplified Electrode Formation using Stabilized Lithium Metal ...  

A team of Berkeley Lab researchers led by Gao Liu has developed a doping process for lithium ion battery electrode formation that can boost a cell’s ...

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Heating systems for heating subsurface formations  

Science Conference Proceedings (OSTI)

Methods and systems for heating a subsurface formation are described herein. A heating system for a subsurface formation includes a sealed conduit positioned in an opening in the formation and a heat source. The sealed conduit includes a heat transfer fluid. The heat source provides heat to a portion of the sealed conduit to change phase of the heat transfer fluid from a liquid to a vapor. The vapor in the sealed conduit rises in the sealed conduit, condenses to transfer heat to the formation and returns to the conduit portion as a liquid.

Nguyen, Scott Vinh (Houston, TX); Vinegar, Harold J. (Bellaire, TX)

2011-04-26T23:59:59.000Z

442

Nanocrystal Formation in Glasses - Programmaster.org  

Science Conference Proceedings (OSTI)

Presentation Title, Nanocrystal Formation in Glasses ... copper have been treated in hydrogen atmospheres to form nanocrystals imbedded in a glassy matrix.

443

Simultaneous Planet and Sun Formation Evidence  

NLE Websites -- All DOE Office Websites (Extended Search)

Simultaneous Planet and Sun Formation Evidence Name: Christie Status: student Grade: 9-12 Location: SC Country: USA Date: May 2, 2011 Question: What specific evidence indicates...

444

Research Spending and Results | Data.gov  

NLE Websites -- All DOE Office Websites (Extended Search)

Research Spending and Results Research Spending and Results BusinessUSA Data/Tools Apps Challenges Let's Talk BusinessUSA You are here Data.gov » Communities » BusinessUSA » Data Research Spending and Results Dataset Summary Description Research.gov Research Spending and Results is an online, user-friendly platform to access and search detailed information about federally funded science and engineering research and education, giving the general public, the scientific community and Congress visibility into the results achieved with federally-funded research. Research awards are easily searchable by agency, awardee, award amount and date, state and congressional district (where award was made and the work is being performed), and key word such as a field of science. Information can be reviewed online or exported to various file formats, such as XML, CSV and XLS. Detailed information on federally funded research can be found for multiple agencies. Information provided for each award includes: * Award recipient (institution and researcher), * Award Amount and funds obligated to date, * Period of Performance, * State and Congressional district of where the award was made and where the work is being performed., * Award Abstract describing the research effort, * Citations of Journals Published as a result of the award

445

TMS Proceedings Manuscript Instructions: One-Column Format  

Science Conference Proceedings (OSTI)

TMS ENERGY INITIATIVES · KNOWLEDGE RESOURCE CENTER · MATERIALS ... Formatting Guide (PDF) This file contains basic formatting instructions for ...

446

Analysis of Star Formation in Galaxy-like Objects  

E-Print Network (OSTI)

Using cosmological hydrodynamical simulations, we investigate the effects of hierarchical aggregation on the triggering of star formation in galactic-like objects. We include a simple star formation model to transform the cold gas in dense regions into stars. Simulations with different parameters have been performed in order to quantify the dependence of the results on the parameters. We then resort to stellar population synthesis models to trace the color evolution of each object with red-shift and in relation to their merger histories. We find that, in a hierarchical clustering scenario, the process of assembling of the structure is one natural mechanism that may trigger star formation. The resulting star formation rate history for each individual galactic object is composed of a continuous one ($\\leq 3 \\rm{M_{\\odot}/yr}$) and a series of star bursts. We find that even the accretion of a small satellite can be correlated with a stellar burst. Massive mergers are found to be more efficient at transforming gas into stars

Patricia B. Tissera

1999-12-20T23:59:59.000Z

447

Methods for forming wellbores in heated formations  

DOE Patents (OSTI)

A method for forming a wellbore in a heated formation includes flowing liquid cooling fluid to a bottom hole assembly in a wellbore in a heated formation. At least a portion of the liquid cooling fluid is vaporized at or near a region to be cooled. Vaporizing the liquid cooling fluid absorbs heat from the region to be cooled.

Guimerans, Rosalvina Ramona; Mansure, Arthur James

2012-09-25T23:59:59.000Z

448

Concept formation using incremental Gaussian mixture models  

Science Conference Proceedings (OSTI)

This paper presents a new algorithm for incremental concept formation based on a Bayesian framework. The algorithm, called IGMM (for Incremental Gaussian Mixture Model), uses a probabilistic approach for modeling the environment, and so, it can rely ... Keywords: Bayesian methods, EM algorithm, clustering, concept formation, finite mixtures, incremental learning, unsupervised learning

Paulo Martins Engel; Milton Roberto Heinen

2010-11-01T23:59:59.000Z

449

Deep Space Formation Flying Spacecraft Path Planning  

Science Conference Proceedings (OSTI)

Efficient algorithms for collision-free energy sub-optimal path planning for formations of spacecraft flying in deep space are presented. The idea is to introduce a set of way-points through which the spacecraft are required to pass, combined with ... Keywords: formation flying spacecraft, path planning for multiple mobile robot systems, trajectory generation

Cornel Sultan; Sanjeev Seereram; Raman K. Mehra

2007-04-01T23:59:59.000Z

450

Field Development Strategies for Bakken Shale Formation  

E-Print Network (OSTI)

July 2010 Field Development Strategies for Bakken Shale Formation SPE 139032 S.Zargari, S Bakken Formation is comprised of 3 Members: · Upper Shale Member­ Source & Seal · Middle "Siltstone" Member­ Reservoir & Migration Conduit · Lower Shale Member- Source & Seal #12;July 2010 Reservoir

Mohaghegh, Shahab

451

Formation of negative hydrogen ion: Polarization electron capture and nonthermal shielding  

Science Conference Proceedings (OSTI)

The influence of the nonthermal shielding on the formation of the negative hydrogen ion (H{sup -}) by the polarization electron capture are investigated in partially ionized generalized Lorentzian plasmas. The Bohr-Lindhard method has been applied to obtain the negative hydrogen formation radius and cross section as functions of the collision energy, de Broglie wave length, Debye length, impact parameter, and spectral index of the plasma. The result shows that the nonthermal character of the plasma enhances the formation radius of the negative hydrogen, especially, for small Debye radii. It is found that the nonthermal effect increases the formation cross section of the negative hydrogen. It is also found that the maximum position of the formation cross section approaches to the collision center with an increase of the spectral index. In addition, it is found that the formation cross section significantly decreases with an increase of the Debye length, especially, for small spectral indices.

Ki, Dae-Han [Department of Applied Physics, Hanyang University, Ansan, Kyunggi-Do 426-791 (Korea, Republic of); Jung, Young-Dae [Department of Applied Physics, Hanyang University, Ansan, Kyunggi-Do 426-791 (Korea, Republic of); Department of Bio-Nano Technology, Hanyang University, Ansan, Kyunggi-Do 426-791 (Korea, Republic of); Department of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute, 110 Eighth Street, Troy, New York 12180-3590 (United States)

2012-09-07T23:59:59.000Z

452

I/O Formats at NERSC  

NLE Websites -- All DOE Office Websites (Extended Search)

I/O Formats I/O Formats I/O Formats Software I/O continues to be one of the main bottlenecks for scientific applications. Here are two software packages that many application developers use to manage input/output of heterogeneous types of binary application data used on many different platforms. HDF5 and NETCDF are both implemented on top of MPI-IO and have gained popularity as alternatives to basic POSIX API. HDF5 is a machine-independent and self-documenting file format. Each HDF5 file "looks" like a directory tree, with subdirectories, and leaf nodes that contain the actual data. This means that data can be found in a file by referring to its name, rather than its location in the file. NetCDF is a file format and support library developed at the National Center for Atmospheric Research (NCAR).

453

CO2 Sequestration in Basalt Formations  

NLE Websites -- All DOE Office Websites (Extended Search)

CO CO 2 SequeStratiOn in BaSalt FOrmatiOnS Background There is growing concern that buildup of greenhouse gases, especially carbon dioxide (CO 2 ), in the atmosphere is contributing to global climate change. One option for mitigating this effect is to sequester CO 2 in geologic formations. Numerous site assessments for geologic sequestration of CO 2 have been conducted in virtually every region of the United States. For the most part, these studies have involved storing CO 2 in saline formation, deep coal seams, and depleted oil and gas reservoirs. Another option, however, is basalt formations. Basalt is a dark-colored, silica-rich, volcanic rock that contains cations-such as calcium, magnesium, and iron-that can combine with CO 2 to form carbonate minerals. Basalt formations have not received much

454

THE STAR FORMATION HISTORY OF M32  

SciTech Connect

We use deep Hubble Space Telescope Advanced Camera for Surveys/High Resolution Channel observations of a field within M32 (F1) and an M31 background field (F2) to determine the star formation history (SFH) of M32 from its resolved stellar population. We find that 2-5 Gyr old stars contribute {approx}40% {+-} 17% of M32's mass, while {approx}55% {+-} 21% of M32's mass comes from stars older than 5 Gyr. The mass-weighted mean age and metallicity of M32 at F1 are (Age) = 6.8 {+-} 1.5 Gyr and ([M/H]) = -0.01 {+-} 0.08 dex. The SFH additionally indicates the presence of young (<2 Gyr old), metal-poor ([M/H] {approx} -0.7) stars, suggesting that blue straggler stars contribute {approx}2% of the mass at F1; the remaining {approx}3% of the mass is in young metal-rich stars. Line-strength indices computed from the SFH imply a light-weighted mean age and metallicity of 4.9 Gyr and [M/H] = -0.12 dex, and single stellar population-equivalent parameters of 2.9 {+-} 0.2 Gyr and [M/H] = 0.02 {+-} 0.01 dex at F1 ({approx}2.7 r{sub e} ). This contradicts spectroscopic studies that show a steep age gradient from M32's center to 1 r{sub e} . The inferred SFH of the M31 background field F2 reveals that the majority of its stars are old, with {approx}95% of its mass already acquired 5-14 Gyr ago. It is composed of two dominant populations; {approx}30% {+-} 7.5% of its mass is in a 5-8 Gyr old population, and {approx}65% {+-} 9% of the mass is in an 8-14 Gyr old population. The mass-weighted mean age and metallicity of F2 are (Age) = 9.2 {+-} 1.2 Gyr and ([M/H]) = -0.10 {+-} 0.10 dex, respectively. Our results suggest that the inner disk and spheroid populations of M31 are indistinguishable from those of the outer disk and spheroid. Assuming the mean age of M31's disk at F2 ({approx}1 disk scale length) to be {approx}5-9 Gyr, our results agree with an inside-out disk formation scenario for M31's disk.

Monachesi, Antonela; Trager, Scott C. [Kapteyn Astronomical Institute, P.O. Box 800, 9700 AV Groningen (Netherlands); Lauer, Tod R.; Mighell, Kenneth J. [National Optical Astronomy Observatory, P.O. Box 26732, Tucson, AZ 85726 (United States); Hidalgo, Sebastian L. [Instituto de Astrofisica de Canarias, Via Lactea s/n, E-38200 La Laguna, Tenerife (Spain); Freedman, Wendy; Dressler, Alan [The Observatories of the Carnegie Institution of Washington, 813 Santa Barbara Street, Pasadena, CA 91101 (United States); Grillmair, Carl, E-mail: antonela@umich.edu [Spitzer Science Center, 1200 East California Boulevard, Pasadena, CA 91125 (United States)

2012-01-20T23:59:59.000Z

455

Eddy formation and propagation in the eastern tropical Pacific  

E-Print Network (OSTI)

Observations of eddies in the eastern tropical Pacific from TOPEX altimetry data show that there are seasonal and interannual variations in eddy activity. Comparisons between time of eddy formation and corresponding wind data show that not all eddies are caused by winds blowing offshore from the coast of Central America. Plots of eddy tracks from TOPEX data show that some of these eddies last for over 6 months and travel more than 250 of longitude toward the west. Others go more towards the equator and dissipate quickly. A General Circulation Model is used to study the formation and propagation aspects of these eddies. Results from experiments exploring the formation mechanism show that high frequency wind bursts are sufficient but not necessary for eddy formation in the eastern tropical Pacific. Eddy activity remains almost the same if only the annual harmonic of the wind field is used to force the model. Forcing the model with only the high frequency wind component produces almost no eddies. The formation of eddies during periods of weak offshore winds suggests other possible mechanisms, such as unstable mean flows, for the formation of the eddies. Experiments done to study the propagation of the eddies show that the eddies are greatly affected by the structure of the background flow. Eddies formed in September or October encounter a strong westward flowing current and do not dissipate rapidly. These eddies do not travel south beyond the region of shear between the currents. They last for more than 6 months and travel westward for more than 250 of longitude. Eddies formed in March and April encounter a strong eastward flow dissipate quickly and propagate towards the equator where they disappear. These eddies last for less than four months and cover less than 150 of longitude. Eddies generated in January show properties between these two extreme cases.

Jhingran, Vikas Gopal

1997-01-01T23:59:59.000Z

456

A numerical and experimental study of in-situ NO formation in laminar NH3-seeded syngas diffusion flames.  

E-Print Network (OSTI)

?? Oxides of nitrogen formed during combustion are significant threats to our environment. They result in the formation of “acid rain”, smog, and depletion of… (more)

Li, Miao

2012-01-01T23:59:59.000Z

457

A numerical and experimental study of in-situ NO formation in laminar NH3-seeded syngas diffusion flames.  

E-Print Network (OSTI)

??Oxides of nitrogen formed during combustion are significant threats to our environment. They result in the formation of "acid rain", smog, and depletion of the… (more)

Li, Miao

2011-01-01T23:59:59.000Z

458

Computer Simulation of Scale Formation  

DOE Green Energy (OSTI)

This paper summarizes results of recent analyses performed by Battelle-Northwest in EPRI project RP 653-3: Computer Simulation of Scaling in Geothermal Systems. The results reported here are drawn primarily from case evaluations performed over the 12 months since the preceding EPRI Geothermal Symposium held in Monterey in June 1979. The present project is a continuation of a previous project designated RP 653-1. The ultimate objective of research performed in this project is to develop analytical tools (computer codes) and the supporting thermophysical and chemical data base that can be used to predict scaling and corrosion in geothermal power generating systems.

Lessor, D.L.; Kreid, D.K.

1980-12-01T23:59:59.000Z

459

1998 NERSC User Survey Results  

NLE Websites -- All DOE Office Websites (Extended Search)

8 User Survey Results 1998 User Survey Results Respondent Summary NERSC has completed its first user survey since its move to Lawrence Berkeley National Laboratory. The survey is...

460

Scale formation at various locations in a geothermal operation due to injection of imported waters  

Science Conference Proceedings (OSTI)

The injection of waters that are not native to a geothermal formation generates various physical and chemical problems. The major chemical problem resulting from such injections is the formation of sulfate scales (particularly CaSO4, BaSO4 and SrSO4) at various locations starting from the injection well through the production well to the surface facilities of any geothermal operation. One of the ways to prevent this type of scale formation is by reducing the sulfate concentration of the injection waters. The effect of sulfate deionization on scale formation at various locations of the geothermal operations is studied. Some experimental results on the CaSO4 scale formation in porous media upon heating an injection water with and without addition of scale inhibitors are also given.

Vetter, O.J.; Kandarpa, V.

1982-06-22T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

KETENE FORMATION IN INTERSTELLAR ICES: A LABORATORY STUDY  

Science Conference Proceedings (OSTI)

The formation of ketene (H{sub 2}CCO, ethenone) in polar and apolar ices was studied with in situ 0.8 MeV proton irradiation, far-UV photolysis, and infrared spectroscopic analyses at 10-20 K. Using isotopically enriched reagents, unequivocal evidence was obtained for ketene synthesis in H{sub 2}O-rich and CO{sub 2}-rich ices, and several reaction products were identified. Results from scavenging experiments suggested that ketene was formed by free-radical pathways, as opposed to acid-base processes or redox reactions. Finally, we use our results to draw conclusions about the formation and stability of ketene in the interstellar medium.

Hudson, Reggie L.; Loeffler, Mark J., E-mail: Reggie.Hudson@NASA.gov [Astrochemistry Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD 20771 (United States)

2013-08-20T23:59:59.000Z

462

OpenEI Community - mediawiki  

Open Energy Info (EERE)

Result Formats on Result Formats on OpenEI http://en.openei.org/community/blog/new-result-formats-openei   As a result of the recent upgrade, and some internal improvements, OpenEI now features a host of new result formats to enhance your wiki content.  You can find a list of them right here: semantic-mediawiki.org/wiki/Result_formats">http://semantic-mediawiki.org/wiki/Result_formats I would like to call extra attention to two of these: result-formats-openei" target="_blank">read more http://en.openei.org/community/blog/new-result-formats-openei#comments

463

Lisburne Formation fracture characterization and flow modeling  

E-Print Network (OSTI)

Evaluation of fractured reservoirs for fluid flow and optimal well placement is often very complicated. In general, fractures enhance permeability and increase access to matrix surface, but their random aspects create difficulties for analysis and performance prediction. Each reservoir has unique aspects which require individual assessment. This study examined fracture properties in a part of the Carboniferous Lisburne Formation. Field study of outcrops yielded information on two sets of large-scale fractures (NNW and ENE orientations) from the lower Wahoo Limestone in the eastern Sadlerochit Mountains. Several statistical methods were used on these data to find appropriate models describing the megafracture properties. For NNW fracture height and ENE fracture spacing, the gamma model appears to adequately describe the distribution. NNW fracture spacing and ENE fracture height are lognormally distributed. Results of the statistical analyses were used as input for fracture set generation and modeling using "FracMan". Modeling different borehole orientations in the fractured domain revealed that horizontal wells with 60? azimuth have an optimal trajectory, resulting in the maximum number and area of fracture connections. The orientation maximizing the number of fracture connections did not necessarily give the maximum area. Conductivity analysis showed that the fracture network is weakly anisotropic and above the percolation threshold. The fracture conductance is strongly dependent on the NNW fracture set; larger fractures influence fluid flow more than smaller fractures. Fracture strike and dip variability increased the system interconnectivity, but did not affect the optimal wellbore orientation. Incorporating ENE fracture termination against the NNW fractures decreased the system conductance and shifted the optimal wellbore trajectory towards the direction perpendicular to the NNW set. Reservoir engineering implications of this study include: guidelines for optimal wellbore orientations, the relative placement of injectors and producers along the bisectors between the two fracture sets, and the importance of including fracture terminations. Further work should investigate the influence of variations in fracture aperture and transmissivities, and drainage area, and extend the analysis to additional units of the Lisburne Group.

Karpov, Alexandre Valerievich

2001-01-01T23:59:59.000Z

464

Rapid Gas Hydrate Formation Process Opportunity  

NLE Websites -- All DOE Office Websites (Extended Search)

Gas Hydrate Formation Process Gas Hydrate Formation Process Opportunity The Department of Energy's National Energy Technology Laboratory (NETL) is seeking collaborative research and licensing partners interested in implementing United States Non-provisional Patent Application entitled "Rapid Gas Hydrate Formation Process." Disclosed in this application is a method and device for producing gas hydrates from a two-phase mixture of water and a hydrate forming gas such as methane (CH 4 ) or carbon dioxide (CO 2 ). The two-phase mixture is created in a mixing zone, which may be contained within the body of the spray nozzle. The two-phase mixture is subsequently sprayed into a reaction vessel, under pressure and temperature conditions suitable for gas hydrate formation. The reaction

465

From design experiments to formative interventions  

Science Conference Proceedings (OSTI)

The discussion of design experiments has largely ignored the Vygotskian tradition of formative interventions based on the principle of double stimulation. This tradition offers a radical approach to learning reasearch which focuses on the agency of the ...

Yrjö Engeström

2008-06-01T23:59:59.000Z

466

Electromagnetic formation flight of satellite arrays  

E-Print Network (OSTI)

Proposed methods of actuating spacecraft in sparse aperture arrays use propellant as a reaction mass. For formation flying systems, propellant becomes a critical consumable which can be quickly exhausted while maintaining ...

Kwon, Daniel W., 1980-

2005-01-01T23:59:59.000Z

467

Eddy Formation in 2½-Layer, Quasigeostrophic Jets  

Science Conference Proceedings (OSTI)

The formation of nonlinear eddies in unstable 2½-layer, quasigeostrophic jets is investigated using a piecewise constant potential vorticity, “contour dynamical” model. Both infinite and semi-infinite jet dynamics are explored, considering a ...

Ilson C. A. da Silveira; Glenn R. Flierl

2002-03-01T23:59:59.000Z

468

Numerical Simulation of Macrosegregation Formation during ...  

Science Conference Proceedings (OSTI)

Direct Numerical Simulation of Inclusion Turbulent Deposition at Liquid ... Flow and Shrinkage Pipe Formation on Macrosegregation of Investment Cast -TiAl Alloys ... Numerical Modeling of the Interaction between a Foreign Particle an ...

469

Interactive Cloud Formation and Climatic Temperature Perturbations  

Science Conference Proceedings (OSTI)

A one-dimensional climate model with an interactive cloud formation program is developed to investigate its effects on temperature perturbations due to various radiative forcings including doubling of CO2, a 2% increase of the solar constant and ...

Kuo-Nan Liou; S. C. S. Ou; P. J. Lu

1985-10-01T23:59:59.000Z

470

Ice Formation in Gas-Diffusion Layers  

E-Print Network (OSTI)

of California. Ice Formation in Gas-Diffusion Layers Thomasconditions, ice forms in the gas-diffusion layer (GDL) of areaction of reactant gases (1). A number of strategies exist

Dursch, Thomas

2013-01-01T23:59:59.000Z

471

Thermodynamic Aspects of Tropical Cyclone Formation  

Science Conference Proceedings (OSTI)

The thermodynamic aspects of tropical cyclone (TC) formation near the center of the wave pouch, a region of approximately closed Lagrangian circulation within the wave critical layer, are examined through diagnoses of a high-resolution numerical ...

Zhuo Wang

2012-08-01T23:59:59.000Z

472

Does Format of Pricing Contract Matter?  

E-Print Network (OSTI)

Working Paper No. XL05-002 Does Format of Pricing Contractquantity discount contract does not include a fixed fee andtariff. Also, division equivalence does not hold because the

Ho, Teck H; Zhang, Juanjuan

2004-01-01T23:59:59.000Z

473

Predicting Nepheline Formation with Artificial Neural Networks  

Science Conference Proceedings (OSTI)

... model has been developed to predict nepheline (NaAlSiO4) formation in compositions of interest for waste glasses projected to be formed at the Hanford Site.

474

Fuzzy coalition formation among rational cooperative agents  

Science Conference Proceedings (OSTI)

Formation of coalitions in multi-agent systems (MAS) enables the development of efficient organizations. In the article, a model of fuzzy cooperative game with coalitions is described. It extends the model of the fuzzy coalition game with associated ...

Leonid B. Sheremetov; José C. Romero Cortés

2003-06-01T23:59:59.000Z

475

Modeling deposit formation in diesel injector nozzle  

E-Print Network (OSTI)

Formation of deposit in the diesel injector nozzle affects the injection behavior and hinders performance. Under running condition, deposit precursors are washed away by the ensuing injection. However, during the cool down ...

Sudhiesh Kumar, Chintoo

2009-01-01T23:59:59.000Z

476

Essential Dynamics of Secondary Eyewall Formation  

Science Conference Proceedings (OSTI)

The authors conduct an analysis of the dynamics of secondary eyewall formation in two modeling frameworks to obtain a more complete understanding of the phenomenon. The first is a full-physics, three-dimensional mesoscale model in which the ...

Sergio F. Abarca; Michael T. Montgomery

2013-10-01T23:59:59.000Z

477

The Formation of New England Coastal Fronts  

Science Conference Proceedings (OSTI)

Coastal fronts are a frequent late fall and early winter feature of eastern New England weather. Data from a mesoscale observing network is used to describe the process of coastal frontogenesis and to determine the causes of formation. Three ...

John W. Nielsen

1989-07-01T23:59:59.000Z

478

SIMULATION OF THE FORMATION OF A SOLAR ACTIVE REGION  

SciTech Connect

We present a radiative magnetohydrodynamics simulation of the formation of an active region (AR) on the solar surface. The simulation models the rise of a buoyant magnetic flux bundle from a depth of 7.5 Mm in the convection zone up into the solar photosphere. The rise of the magnetic plasma in the convection zone is accompanied by predominantly horizontal expansion. Such an expansion leads to a scaling relation between the plasma density and the magnetic field strength such that B {proportional_to} rhov{sup 1/2}. The emergence of magnetic flux into the photosphere appears as a complex magnetic pattern, which results from the interaction of the rising magnetic field with the turbulent convective flows. Small-scale magnetic elements at the surface first appear, followed by their gradual coalescence into larger magnetic concentrations, which eventually results in the formation of a pair of opposite polarity spots. Although the mean flow pattern in the vicinity of the developing spots is directed radially outward, correlations between the magnetic field and velocity field fluctuations allow the spots to accumulate flux. Such correlations result from the Lorentz-force-driven, counterstreaming motion of opposite polarity fragments. The formation of the simulated AR is accompanied by transient light bridges between umbrae and umbral dots. Together with recent sunspot modeling, this work highlights the common magnetoconvective origin of umbral dots, light bridges, and penumbral filaments.

Cheung, M. C. M.; Title, A. M. [Lockheed Martin Solar and Astrophysics Laboratory, Palo Alto, CA 94304 (United States); Rempel, M. [High Altitude Observatory, NCAR, P.O. Box 3000, Boulder, CO 80307 (United States); Schuessler, M. [Max Planck Institute for Solar System Research, Katlenburg-Lindau, 37191 (Germany)

2010-09-01T23:59:59.000Z

479

Purification of Polyhydroxybutyrate Synthase from Its Native Organism, Ralstonia eutropha: Implications for the Initiation and Elongation of Polymer Formation in Vivo  

E-Print Network (OSTI)

Class I polyhydroxybutyrate (PHB) synthase (PhaC) from Ralstonia eutropha catalyzes the formation of PHB from (R)-3-hydroxybutyryl-CoA, ultimately resulting in the formation of insoluble granules. Previous mechanistic ...

Cho, Mimi

480

Formation and Evolution of Frontal Rainbands and Geostrophic Potential Vorticity Anomalies  

Science Conference Proceedings (OSTI)

A viscous semigeostrophic model is developed and used to study the formation and evolution of frontal rainbands in association with the dry and moist geostrophic potential vorticity (GPV) anomalies. The numerical results show that when moist GPV (...

Qin Xu

1992-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "formats results semantic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

Methods for synthesizing alane without the formation of adducts and free of halides  

Science Conference Proceedings (OSTI)

A process is provided to synthesize an alane without the formation of alane adducts as a precursor. The resulting product is a crystallized .alpha.-alane and is a highly stable product and is free of halides.

Zidan, Ragaiy; Knight, Douglas A; Dinh, Long V

2013-02-19T23:59:59.000Z

482

On the Reasons for the Formation and Variability of the Azores Current  

Science Conference Proceedings (OSTI)

Recent studies have shown that the formation of the well-defined, zonally oriented Azores Current may be the result of water mass transformation associated with the Mediterranean outflow in the Gulf of Cadiz. As the denser Mediterranean water ...

Denis L. Volkov; Lee-Lueng Fu

2010-10-01T23:59:59.000Z

483

Hydraulic fracturing of jointed formations  

DOE Green Energy (OSTI)

Measured by volume, North America's largest hydraulic fracturing operations have been conducted at Fenton Hill, New Mexico to create geothermal energy reservoirs. In the largest operation 21,000 m/sup 3/ of water were injected into jointed granitic rock at a depth of 3.5 km. Microearthquakes induced by this injection were measured with geophones placed in five wells drilled into, or very close, to the reservoir, as well as 11 surface seismometers. The large volume of rock over which the microearthquakes were distributed indicates a mechanism of hydraulic stimulation which is at odds with conventional fracturing theory, which predicts failure along a plane which is perpendicular to the least compressive earth stress. A coupled rock mechanics/fluid flow model provides much of the explanation. Shear slippage along pre-existing joints in the rock is more easily induced than conventional tensile failure, particularly when the difference between minimum and maximum earth stresses is large and the joints are oriented at angles between 30 and 60 degrees to the principal earth stresses, and a low viscosity fluid like water is injected. Shear slippage results in local redistribution of stresses, which allows a branching, or dendritic, stimulation pattern to evolve, in agreement with the patterns of microearthquake locations. These results are qualitatively similar to the controversial process known as ''Kiel'' fracturing, in which sequential injections and shut-ins are repeated to create dendritic fractures for enhanced oil and gas recovery. However, we believe that the explanation is shear slippage of pre-existing joints and stress redistribution, not proppant bridging and fluid blocking as suggested by Kiel. 15 refs., 10 figs.

Murphy, H.D.; Fehler, M.C.

1986-01-01T23:59:59.000Z

484

Engineering Glass Passivation Layers -Model Results  

SciTech Connect

The immobilization of radioactive waste into glass waste forms is a baseline process of nuclear waste management not only in the United States, but worldwide. The rate of radionuclide release from these glasses is a critical measure of the quality of the waste form. Over long-term tests and using extrapolations of ancient analogues, it has been shown that well designed glasses exhibit a dissolution rate that quickly decreases to a slow residual rate for the lifetime of the glass. The mechanistic cause of this decreased corrosion rate is a subject of debate, with one of the major theories suggesting that the decrease is caused by the formation of corrosion products in such a manner as to present a diffusion barrier on the surface of the glass. Although there is much evidence of this type of mechanism, there has been no attempt to engineer the effect to maximize the passivating qualities of the corrosion products. This study represents the first attempt to engineer the creation of passivating phases on the surface of glasses. Our approach utilizes interactions between the dissolving glass and elements from the disposal environment to create impermeable capping layers. By drawing from other corrosion studies in areas where passivation layers have been successfully engineered to protect the bulk material, we present here a report on mineral phases that are likely have a morphological tendency to encrust the surface of the glass. Our modeling has focused on using the AFCI glass system in a carbonate, sulfate, and phosphate rich environment. We evaluate the minerals predicted to form to determine the likelihood of the formation of a protective layer on the surface of the glass. We have also modeled individual ions in solutions vs. pH and the addition of aluminum and silicon. These results allow us to understand the pH and ion concentration dependence of mineral formation. We have determined that iron minerals are likely to form a complete incrustation layer and we plan to look more closely at Vivianite [Fe3(PO4)2-8(H2O)] and Siderite [FeCO3] in the next stage of the project.

Skorski, Daniel C.; Ryan, Joseph V.; Strachan, Denis M.; Lepry, William C.

2011-08-08T23:59:59.000Z

485

Ensemble Clustering for Result Diversification  

Science Conference Proceedings (OSTI)

Page 1. Ensemble Clustering for Result Diversification Dong Nguyen Human Media Interaction University of Twente d.nguyen@utwente.nl ...

2013-02-12T23:59:59.000Z

486

Multiple stalk formation as a pathway of defect-induced membrane fusion  

E-Print Network (OSTI)

We propose that the first stage of membrane fusion need not be the formation of a single stalk. Instead, we consider a scenario for defect-induced membrane fusion that proceeds cooperatively via multiple stalk formation. The defects (stalks or pores) attract each other via membrane-mediated capillary interactions that result in a condensation transition of the defects. The resulting dense phase of stalks corresponds to the so-called fusion intermediate.

D. B. Lukatsky; Daan Frenkel

2004-03-29T23:59:59.000Z

487

Communicating Results | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Communicating Results Communicating Results Communicating Results Communicating Results: Provide exam results to participants, as well as information regarding any conditions that may require follow-up medical care with their personal physicians or specialists, and provide information regarding possible compensation for work-related illnesses. Follow-up care is not covered by the program. Occupational medicine physicians review the results from the screening exams, along with the completed medical and occupational exposure history questionnaires, to determine whether there are any abnormal findings that may require immediate attention or whether the findings may have been caused by a work-related exposure. Participants requiring urgent medical attention for an abnormal test result are contacted immediately by phone,

488

Formation damage in underbalanced drilling operations  

E-Print Network (OSTI)

Formation damage has long been recognized as a potential source of reduced productivity and injectivity in both horizontal and vertical wells. From the moment that the pay zone is being drilled until the well is put on production, a formation is exposed to a series of fluids and operations that can reduce its productive capacity. Any process that causes a loss in the productivity of an oil-, gas-, or water-saturated formation has a damaging effect on the reservoir. These damage mechanisms predominantly fall into three major classifications: mechanical, chemical, and biological. Underbalanced drilling operations involve drilling a portion of the wellbore at fluid pressures less than that of the target formation. This technology has been used to prevent or minimize problems associated with invasive formation damage, which often greatly reduces the productivity of oil and gas reservoirs, mainly in openhole horizontal-well applications. Underbalanced drilling is not a solution for all formation-damage problems. Damage caused by poorly designed and/or executed underbalanced drilling programs can equal or exceed that which may occur with a well-designed conventional overbalanced drilling program. Four techniques are currently available to achieve underbalanced conditions while drilling. These include using lightweight drilling fluids, injecting gas down the drillpipe, injecting gas into a parasite string, and using foam. This study provides an analysis of a number of potential damage mechanisms present when drilling underbalanced. It describes each one and its influence on the productivity of a well. Additionally it presents a general description of the different techniques that can be applied to carry out successful, cost-effective UBD operations, and discusses how these techniques may be used to reduce or eliminate formation damage.

Reyes Serpa, Carlos Alberto

2003-01-01T23:59:59.000Z

489

Annual Energy Outlook with Projections to 2025-Model Results  

Gasoline and Diesel Fuel Update (EIA)

Model Results Model Results (To view or print in PDF format, Adobe Acrobat Reader 5.0 is required Download Acrobat Reader Now.) Adobe Acrobat Logo AEO2003 Appendix Tables XLS format A - Reference Case Forecast - PDF (728KB) Reference Case Forecast, Annual 2000-2025 - PDF (1115KB), HTML, XLS B - Economic Growth Case Comparisons - PDF (190KB) High Economic Case, Annual 2000-2025 - PDF (2482KB), XLS Low Economic Case, Annual 2000-2025 - PDF (3937KB), XLS C - Oil Price Case Comparisons - PDF (186KB) High Oil Price Case, Annual 2000-2025 - PDF (2533KB), XLS Low Oil Price Case, Annual 2000-2025 - PDF (2344KB), XLS D - Crude Oil Equivalence Summary - PDF (32KB) E - Household Expenditures - PDF (30KB) F - Results from Side Cases - PDF (89KB) G - Major Assumptions for the Forecast - PDF (160KB), HTML

490

The Fluid Mechanics of Gravitational Structure Formation  

E-Print Network (OSTI)

The standard model for gravitational structure formation in astrophysics, astronomy, and cosmology is questioned. Cold dark matter (CDM) hierarchical clustering cosmology neglects particle collisions, viscosity, turbulence and diffusion and makes predictions in conflict with observations. From Jeans 1902 and CDMHC, the non-baryonic dark matter NBDM forms small clumps during the plasma epoch after the big bang that ``cluster'' into larger clumps. CDM halo clusters collect the baryonic matter (H and He) by gravity so that after 300 Myr of ``dark ages'', huge, explosive (Population III) first stars appear, and then galaxies and galaxy clusters. Contrary to CDMHC cosmology, ``hydro-gravitational-dynamics'' HGD cosmology suggests the diffusive NBDM material cannot clump and the clumps cannot cluster. From HGD, the big bang results from an exothermic turbulent instability at Planck scales (10^{-35} m). Turbulent stresses cause an inflation of space and fossil density turbulence remnants that trigger gravitational instability at protosupercluster masses (10^{46} kg) in the H-He plasma. These fragment along plasma turbulence vortex lines to form protogalaxy masses (10^{42} kg) just before the transition to gas. The gas has x10^{-13} smaller viscosity, so it fragments at planetary and globular-star-cluster masses (10^{25} and 10^{36} kg) to form the baryonic dark matter (BDM). Observations from the Hubble Space Telescope show protogalaxies (PGs) in linear clusters reflecting their likely fragmentation on plasma vortex lines. From merging BDM planets, these PGs gently form small stars in globular clusters <1 Myr after the big bang without the dark ages, superstars, or reionization of CDM cosmology.

Carl H. Gibson

2006-10-20T23:59:59.000Z

491

Modeling trihalomethane formation potential from wastewater chlorination. Master's thesis  

Science Conference Proceedings (OSTI)

The deletion of federally mandated fecal coliform limits has led many states to review and modify their wastewater disinfection requirements. One issue in analyzing wastewater disinfection is the discharge of potentially carcinogenic halogenated organics formed during the chlorination process. This research investigates the formation of one class of the halogenated organics, the trihalomethanes. The applicability of using drinking water trihalomethane formation models for use with wastewater effluent is examined. Three models are compared for predictive capability by using measured trihalomethane values from previous research data. The results show that a previously developed model is applicable for use based on assumptions stated. Results provide environmental managers with worst case predictions for a range of wastewater treatment plant (WWTP) parameters. Predictions indicate that trihalomethane formation from the chlorination of wastewater is typically lower than the Safe Drinking Water Act trihalomethane standard of 100 ug/L. The worst case model predictions reach, and in certain extreme cases, pass the standard of 100 ug/L. This level of trihalomethanes formed is minimized if aeration of the receiving bodies of water occurs. Based on this research, the risk of forming trihalomethanes as disinfection by-products from chlorination do not outweigh the benefits gained from proper chlorine disinfection of effluent.

McCormick, C.A.

1994-09-01T23:59:59.000Z

492

Search Results | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Search Results » Search Results Search Results » Search Results Search Results Enter terms Search Showing 1 - 10 of 48,807 results. Rebate COOLAdvantage Program '''''Note: Residents affected by Hurricane Sandy are eligible for an additional rebate of $200 for qualifying heat pumps, geothermal heat pumps, and air conditioners purchased on or after October... http://energy.gov/node/681216 Rebate CPS Energy- Residential Energy Efficiency Rebate Program CPS Energy offers a variety of rebates for energy efficiency related improvements to residential homes, including: appliances, HVAC equipment, insulation, and equipment recycling.. Rebate... http://energy.gov/node/681221 Rebate CPS Energy- Commercial Energy Efficiency Rebates CPS Energy, San Antonio's municipal electric utility, offers energy

493

2006 NERSC User Survey Results  

NLE Websites -- All DOE Office Websites (Extended Search)

6 User Survey Results 6 User Survey Results Show All | 1 2 3 4 5 ... 15 | Next » 2006 User Survey Results Table of Contents Survey Results Users are invited to provide overall comments about NERSC: Here are the survey results: Respondent Demographics Overall Satisfaction and Importance All Satisfaction, Importance and Usefulness Ratings All Usefulness Topics Hardware Resources Software Visualization and Data Analysis HPC Consulting Services and Communications Web Interfaces Training Comments about NERSC Survey Results Many thanks to the 256 users who responded to this year's User Survey. This represents a response rate of about 13 percent of the active NERSC users. The respondents represent all six DOE Science Offices and a variety of home institutions: see Respondent Demographics. The survey responses provide feedback about every aspect of NERSC's

494

Protected Loss of Flow Transient Simulation (Quicktime format, High  

NLE Websites -- All DOE Office Websites (Extended Search)

Engineering Analysis > Videos Engineering Analysis > Videos Engineering Analysis: Protected Loss of Flow Transient Simulation Quicktime format Quicktime Format - High Bandwidth | Size: 25.94 MB | Bit Rate: 1148 kbps Keywords: flow transient, plot, EBR-II, SAS4A, SASSYS-1, passive safety, protected loss of flow, PLOF, shutdown heat removal test, SHRT-17, SHRT17 Elevation plot showing detailed top of core temperatures in experimental assembly XX09 during a protected loss of flow transient in EBR-II. Surrounding assemblies are depicted using fuel average temperatures. Results show excellent decay heat removal capability of sodium through natural circulation and exceptionally low transient temperatures with metallic fuel. :: Please wait until video loads completely :: Closed Captioning Transcript

495

Reliability Results of NERSC Systems  

E-Print Network (OSTI)

of various systems at NERSC. They graciously provided meReliability Results of NERSC Systems Akbar Mokhtarani,William Kramer, Jason Hick NERSC - LBNL Abstract In order to

Mokhtarani, Akbar; Petascale Data Storage Institute (PDSI)

2008-01-01T23:59:59.000Z

496

Results on hard diffractive production  

Science Conference Proceedings (OSTI)

The results of experiments at hadron colliders probing the structure of the pomeron through hard diffraction are reviewed. Some results on deep inelastic diffractive scattering obtained at HERA are also discussed and placed in perspective. By using a properly normalized pomeron flux factor in single diffraction dissociation as dictated by unitarity

Konstantin Goulianos; The CDF Collaboration

1996-01-01T23:59:59.000Z

497

CDF results on B decays  

SciTech Connect

The authors present recent CDF results on B lifetimes, B meson mass measurements, ratios of branching ratios, and rare decays. In addition, they present the first measurement of time-dependent B{sub d} mixing at CDF. Several results have been updated and a few new ones included since the workshop.

Skarha, J.E. [Johns Hopkins Univ., Baltimore, MD (United States)

1995-05-01T23:59:59.000Z

498

Forward Physics and BRAHMS results  

E-Print Network (OSTI)

We report here the BRAHMS measurements of particle production in d+Au and p+p collisions at RHIC. The results presented here are compared to previous p+A measurements at lower energies in fixed target mode. Some preliminary results on abundances of identified particles at high rapidity are also presented.

Ramiro Debbe; for the BRAHMS Collaboration

2005-06-17T23:59:59.000Z

499

Top physics results at CDF  

SciTech Connect

The most recent results on top quark physics at CDF are reported. Measurements of cross-section and mass are presented, and the status of single top quark production searches are discussed. The results obtained from probing various top quark properties are also presented.

Vickey, Trevor; /Illinois U., Urbana

2005-05-01T23:59:59.000Z

500

The geomechanics of CO2 storage in deep sedimentary formations  

E-Print Network (OSTI)

formations, such as depleted oil and gas reservoirs,sedimentary formations, including oil and gas reservoirs andassociated with enhanced oil recovery (EOR). At the North-

Rutqvist, J.

2013-01-01T23:59:59.000Z