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针对OWL在数据类型表示方面存在严重的局限性,即它不能处理在语义Web和本体中广泛存在的不精确以及不确定信息,也不支持自定义数据类型及自定义数据类型谓词的表示,介绍了一种新的模糊描述逻辑F-ALC(G),给出了F-ALC(G)的语法、语义.然后,以F-ALC(G)为逻辑基础,并结合RDF/XML的语法规范,重新编码OWL中的描述算子,用来表示模糊本体知识,形成f-OWL.f-OWL不仅能够表示本体中的模糊知识,而且能够表示本体中含有自定义模糊数据类型及自定义模糊数据类型谓词的模糊数据信息,为模糊本体的研究提供了新的表示方法
OWL has a serious limitation on data type representation that it can not handle inaccurate and indefinite information that is prevalent in the Semantic Web and ontology, nor does it support the representation of custom data types and custom data type predicates, A new fuzzy description logic F-ALC (G) is proposed, which gives the syntax and semantics of F-ALC (G) .Furthermore, based on the logic of F-ALC , Re-encode the description operator in OWL to represent the fuzzy ontology knowledge and form f-OWL.f-OWL not only can represent the fuzzy knowledge in the ontology, but also can represent the ontology contains the custom fuzzy data type and the custom fuzzy data The fuzzy data information of type predicate provides a new method for the research of fuzzy ontology