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The classical description logic SHOIN, as the logical foundation of OWL DL, is less suitable to represent fuzzy knowledge in the Semantic Web. We introduce cut concepts and cut roles to SHOIN, and present extended fuzzy description logic EFSHOIN. We define the representation of EFSHOIN, and focus on the knowledge base consistency as main reasoning task. We also propose a reasoning algorithm for the...
An extended fuzzy description logic is proposed to increase expressive power for complex fuzzy information. We introduce cut sets of the fuzzy concepts and fuzzy roles as atomic concepts and atomic roles, and inherit concept constructors of the description logics to support a new logic system for fuzzy knowledge representation. We define the syntax, semantics and knowledge base of the extended fuzzy...
The fuzzy ontologies play a key role in the semantic Web. The description logic SHOIN, the logical foundation of Web ontology language OWL, becomes less suitable to describe them. To represent fuzzy ontologies, this paper presents the extended fuzzy description logic EFSHOIN, shows the representation and reasoning capabilities of EFSHOIN, and proposes a tableau algorithm for the consistency of EFSHOIN...
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