A Formal Model of Fuzzy Ontology with Property Hierarchy and Object Membership

Authors:
Yi Cai;Ho-Fung Leung
Affiliations:
Department of Computer Science and Engineering, The Chinese University of Hong Kong Shatin, Hong Kong, China;Department of Computer Science and Engineering, The Chinese University of Hong Kong Shatin, Hong Kong, China
Venue:
ER '08 Proceedings of the 27th International Conference on Conceptual Modeling
Year:
2008

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Abstract

In this paper, we propose a formal model of fuzzy ontology with property hierarchy by combining theories in cognitive psychology and fuzzy set theory. A formal mechanism used to determine object memberships in concepts is also proposed. In this mechanism, object membership is based on the defining properties of concepts and properties which objects possess. We show that our model is more reasonable in calculating object memberships and more powerful in concept representation than previous models by an example.