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Generalized fuzzy rough approximation operators based on fuzzy coverings
2008
International Journal of Approximate Reasoning
This paper focuses on the generalization of covering-based rough set models via the concept of fuzzy covering. Based on a fuzzy covering of a universe of discourse, two pairs of generalized lower and upper fuzzy rough approximation operators are constructed by means of an implicator I and a triangular norm T. Basic properties of the generalized fuzzy rough approximation operators are investigated. Topological properties of the generalized fuzzy rough approximation operators and
doi:10.1016/j.ijar.2008.01.006
fatcat:qnjcq5lewrh57ofncwdhumoccm