Doan Van Thang

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In this paper, we present an approach for handling attribute values of object classes with fuzzy information and uncertainty in object-oriented database based on theory hedge algebraic. In this approach, semantics be quantified by quantitative semantic mapping of hedge algebraic that still preserving in order semantics may allow manipulation data on the(More)
In this paper, we present an approach for handling the attribute values of object classes with fuzzy and uncertain information in object-oriented database based on hedge algebraic theory. Through this approach, semantics is quantified by semantics quantitative mapping of hedge algebra in such a way that still preserves semantic order and may allow to(More)
This paper presents the issues related to the fuzzy object dependencies on the object class. Based on semantic neighborhood of hedge algebras, paper presents definitions about fuzzy dependencies between attributes and between attribute with method in object class, and the properties of fuzzy dependencies in research is correct and complete on the set of(More)
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