A Relative Entropy Approach to Group Decision Making with Interval Reciprocal Relations Based on COWA Operator

Huayou Chen () and Ligang Zhou ()
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Huayou Chen: Anhui University
Ligang Zhou: Anhui University

Group Decision and Negotiation, 2012, vol. 21, issue 4, No 9, 585-599

Abstract: Abstract A new approach has been presented based on relative entropy to rank all the alternatives in the group decision making with interval reciprocal relations. First we introduced the continuous ordered weighted averaging operator and used it to aggregate all individual interval reciprocal relations to derive the priority vector. Then we define the consensus indicator of the interval reciprocal relations to determine the weights of experts in the group decision making. Based on the conception of relative entropy, we construct an optimization model to minimize the difference between the group priority vector and all individual priority vectors. We also give the solution to the optimal model, in which we obtain the formula to rank the given alternatives in the group decision making for the collective reciprocal relations and select the most desirable one. Finally, a numerical example shows that the developed approach is feasible and the result is credible.

Keywords: Group decision making; Interval reciprocal relation; Relative entropy; COWA operator (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1007/s10726-011-9228-8

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