Representation of Atypical Entities in Ontologies

Presented at: The Sixth International Language Resources and Evaluation Conference (LREC2008)

by Christophe Jouis, Julien Bourdaillet

Webpage: http://www.lrec-conf.org/proceedings/lrec2008/pdf/43_paper.pdf
Webpage: http://www.lrec-conf.org/proceedings/lrec2008/summaries/43.html

This paper is a contribution to formal ontology study. Some entities belong more or less to a class. In particular, some individual entities are attached to classes whereas they do not check all the properties of the class. To specify whether an individual entity belonging to a class is typical or not, we borrow the topological concepts of interior, border, closure, and exterior. We define a system of relations by adapting these topological operators. A scale of typicality, based on topology, is introduced. It enables to define levels of typicality where individual entities are more or less typical elements of a concept.

Keywords: Knowledge representation, Ontologies, Semantics, Linguistics


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