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On similarity in fuzzy description logics
Armengol, Eva (Institut d'Investigació en Intel·ligència Artificial)
Dellunde i Clavé, Pilar (Universitat Autònoma de Barcelona. Departament de Filosofia)
García-Cerdaña, Àngel (Institut d'Investigació en Intel·ligència Artificial)

Fecha: 2016
Resumen: This paper is a contribution to the study of similarity relations between objects represented as attribute-value pairs in Fuzzy Description Logics . For this purpose we use concrete domains in the fuzzy description logic IALCEF(D)IALCEF(D) associated either with a left-continuous or with a finite t-norm. We propose to expand this fuzzy description logic by adding a Similarity Box (SBox) including axioms expressing properties of fuzzy equalities. We also define a global similarity between objects from similarities between the values of each object attribute (local similarities) and we prove that the global similarity defined using a t-norm inherits the usual properties of the local similarities (reflexivity, symmetry or transitivity). We also prove a result relative to global similarities expressing that, in the context of the logic MTL∀, similar objects have similar properties, being these properties expressed by predicate formulas evaluated in these objects.
Derechos: Tots els drets reservats.
Lengua: Anglès.
Documento: article ; recerca ; submittedVersion
Materia: Similarity relation ; Description logics ; Fuzzy description logics ; Attribute-value representation ; Similarity box
Publicado en: Fuzzy sets and systems, Vol. 292 (2016) , p. 49-74, ISSN 0165-0114

DOI: 10.1016/j.fss.2015.11.021

45 p, 408.0 KB

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