Proceedings of the Fuzzy System Symposium
24th Fuzzy System Symposium
Session ID : WE3-4
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Host: Japan Society for Fuzzy Theory and Intelligent Informatics

Attribute Reductions in Dominance-Based Rough Set Approach
*Yoshifumi Kusunoki, Masahiro Inuiguchi
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Keywords: rough set, dominance-based rough set approach, reduct, discernibility matrix
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Abstract
In this research, we propose new reducts in the dominance-based rough set approach. The relations with previous reducts are clarified. Moreover, a comprehensive enumeration method of all kinds of reducts in proposed. We show that all kinds of reducts are enumerated based on two discernibility matrices associated with generalized decisions.
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© 2008 Japan Society for Fuzzy Theory and Intelligent Informatics
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