Abstract
AbstracVVt A novel concept of α-rough fuzzy sets is proposed as a generalization of rough fuzzy sets in information systems. A pair of rough fuzzy approximation operators is presented based on one type of correlation between attributes, namely, α-correlative relation. In addition, the properties of α-rough fuzzy sets are investigated. Finally, we develop an approach for decision-making problems based on lower and upper α-approximations and provide an actual example.
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