A new method for fuzzy multiple attributes group decision making based on interval type-2 fuzzy sets and the TOPSIS method

This paper presents a new method for fuzzy multiple attributes group decision making based on the proposed ranking method of trapezoidal interval type-2 fuzzy sets and the TOPSIS method. The proposed ranking method of trapezoidal interval type-2 fuzzy sets can overcome the drawbacks of the existing methods. The proposed fuzzy multiple attributes group decision making method can overcome the drawback of the existing method.

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