2005 | OriginalPaper | Buchkapitel
The Relationship Among Several Knowledge Reduction Approaches
verfasst von : Keyun Qin, Zheng Pei, Weifeng Du
Erschienen in: Fuzzy Systems and Knowledge Discovery
Verlag: Springer Berlin Heidelberg
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This paper is devoted to the discussion of the relationship among some reduction approaches of information systems. It is proved that the distribution reduction and the entropy reduction are equivalent, and each distribute reduction is a
d
reduction. Furthermore, for consistent information systems, the distribution reduction, entropy reduction, maximum distribution reduction, distribute reduction, approximate reduction and
d
reduction are all equivalent.