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Considering the preferences of individual decision makers, the group is clustered and classified to form an aggregate structure. The two-layer weight model is developed from the decision makers\u2019 different contribution to the existing clusters\u2019 and different contribution of different clusters. The possible degree formula for expansion is used to calculate the weighted value of the decision makers in all clusters. Fuzzy entropy is used to confirm the weighted value of each cluster, and the fuzzy relative entropy is then used to sort the schemes. 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