Automatic Retrieval of Definitions in Texts, in accordance with a General Linguistic Ontology

Charles Teissedre, Brahim Djioua, Jean-Pierre Desclés

A semantics of definition category and its sub-categories used in texts, organized in a semantic map, requires a more complex structuring of the domain underlying the meaning representations than is commonly assumed. This paper proposes a three-layer ontology in which the notion of definition takes part and indicates how it can be used in Information Retrieval. The first part describes an automatic process to annotate definitions based on linguistic knowledge, in accordance with a general linguistic ontology, and the second part shows a practical use of its semantic and discourse organizations in retrieving information through the Web.

Subjects: 1.10 Information Retrieval; 11.2 Ontologies

Submitted: Feb 25, 2008


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