The Application of Fuzzy Ontology in Design Management

Engineering design is a knowledge-intensive process, how to organize, store and retrieve such knowledge constitutes the foundation of engineering design management. In this paper, a fuzzy ontology and its application to design management are presented. The fuzzy ontology with fuzzy concepts is an extension of the domain ontology with crisp concepts. It is more suitable to describe the domain knowledge than domain ontology for solving the uncertainty reasoning and retrieval problems. Every fuzzy concept has a set of membership degrees associated with various events of the domain ontology. First, an ontology-based presentation and retrieval framework is put forward in the paper. Then,the fuzzy ontology-based presentation and retrieval mechanism are described.

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