Titlebook: Rough Sets and Knowledge Technology; 7th International Co Tianrui Li,Hung Son Nguyen,Hong Yu Conference proceedings 2012 Springer-Verlag Be

GNAT

Optimistic Multi-Granulation Fuzzy Rough Set Model Based on Triangular Norm. This paper is devoted to the construction and study of the multi-granulation rough set based on triangular norm by defining the optimistic multi-granulation .-fuzzy lower and upper approximation operators in the generalized .-fuzzy approximation space. It is obvious that the generalize .-fuzzy low

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Dorsal

Soft Rough Sets Based on Similarity Measuresgh approaches, the notions of similarity measures induced by soft set and soft fuzzy set are presented. Some new soft fuzzy rough set models are proposed by introducing confidence threshold values. The related lower and upper approximation operators are presented and their properties are surveyed.

材料等

Theory of Truth Degrees in Three Valued Formed System RSL, and some reasoning rules of truth degree based on the logic system are given. Moreover, the similarity degree and pseudo-distance between two formulas are defined by using the truth degree concept, and their properties are discussed. This offers a theory framework for approximate reasoning in thre

串通

Upper Approximation Reduction Based on Intuitionistic Fuzzy , Equivalence Information Systemsction is introduced in intuitionistic fuzzy . equivalence information systems. Moreover, rough set approach to upper approximation reduction is presented, and the judgement theorems and discernibility matrices are obtained in intuitionistic fuzzy . equivalence information systems. An example illustr

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Preamble

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