Uncertainty in generalized fuzzy rough sets
GrC（2005）
摘要
This paper studies the generalized fuzzy approximation spaces determined by a triangular norm. The entropy of a fuzzy approximation space is introduced, which is similar to Shannon's entropy. To measure uncertainty in generalized fuzzy rough sets, a notion of fuzziness is introduced. Some basic properties of this measure are examined.
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关键词
rough set theory,uncertainty measure,fuzzy set theory,fuzzy set,triangular norm,rough set,generalized fuzzy approximation spaces,generalized fuzzy rough sets,uncertainty,shannon entropy,uncertainty handling,entropy,fuzzy sets,set theory,measurement uncertainty,mathematics,information science,rough sets,fuzzy logic
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