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In this paper, we formalize the object membership in fuzzy ontology with property importance and property priority, while previous models lack building blocks to handle the importance and priority of properties. A formal mechanism used to measure object memberships in concepts is proposed. Such a mechanism can measure object memberships in concepts defined by properties with importance or priority...
Ontology is the basis component of the Semantic Web. Since constructing ontologies is a time consuming job for domain experts, many researches are conducted on automatic extraction of ontologies from texts. As the development of folksonomy, more and more researchers have realized that folksonomy is a better knowledge source for constructing ontologies than texts. Although some works have already been...
According to the studies of cognitive psychology, object typicality plays an important role in concept representation in human cognitive process. However, computational ontologies cannot reflect the typicality of objects in concepts. Besides, context is important in measuring object typicality. In this paper, we present a formal model of context-aware ontology with multi-prototype concept and object...
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