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Valid-Time Indeterminacy in Temporal Relational Databases: A Family of Data Models
 

Summary: Valid-Time Indeterminacy in Temporal Relational Databases:
A Family of Data Models
Luca Anselma
Dipartimento di Informatica
UniversitÓ di Torino
Torino, Italy
e-mail: anselma@di.unito.it
Paolo Terenziani
Dipartimento di Informatica
UniversitÓ del Piemonte Orientale
Alessandria, Italy
e-mail: terenz@mfn.unipmn.it
Richard T. Snodgrass
Department of Computer Science
University of Arizona
Tucson, AZ, USA
e-mail: rts@cs.arizona.edu
Abstract--Valid-time indeterminacy concerns not knowing
exactly when a fact holds in the modeled reality. In this paper,
we first propose a reference approach (data model and

  

Source: Anselma, Luca - Dipartimento di Informatica, UniversitÓ di Torino

 

Collections: Computer Technologies and Information Sciences