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An Algebraic Approach for Specifying Compound Terms in Faceted Taxonomies

Summary: An Algebraic Approach for Specifying Compound
Terms in Faceted Taxonomies
Yannis Tzitzikas 1,5
, Anastasia Analyti2
, Nicolas Spyratos3
Panos Constantopoulos2,4
1 Istituto di Scienza e Tecnologie dell' Informazione, CNR-ISTI, Italy
2 Institute of Computer Science, ICS-FORTH, Greece
3 Laboratoire de Recherche en Informatique, Universite de Paris-Sud, France
4 Department of Computer Science, University of Crete, Greece
Email : tzitzik@isti.cnr.it, {analyti, panos}@ics.forth.gr, spyratos@lri.fr
Abstract. A faceted taxonomy is a set of taxonomies, each describing a given
domain from a different aspect, or facet. The indexing of domain objects is done
through conjunctive combinations of terms from the facets, called compound
terms. A faceted taxonomy has several advantages over a single hierarchy of
terms, including conceptual clarity, compactness and scalability. A drawback,
however, is the cost of avoiding invalid combinations, i.e. compound terms
that do not apply to any object in the domain. This need arises in both index-
ing and retrieval, and typically involves human effort for specifying the valid


Source: Analyti, Anastasia - Institute of Computer Science, Foundation of Research and Technology, Hellas


Collections: Computer Technologies and Information Sciences