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中文摘要：
针对考虑评价专家评价信息的绿色供应商选择问题，提出了一种基于梯形模糊软集的绿色供应商选择多属性群决策模型。各专家选定不同的评价指标集及使用语言变量进行评价，利用“与”运算对各专家的评价信息进行集结，并得到信息集结后的梯形模糊软集；然后以此作为多属性决策的初始决策矩阵，在梯形模糊软集加权规范化的基础上通过计算正负理想解距离以及相对贴近度，得到最优决策。最后通过算例说明了该方法的可行性和有效性。
英文摘要：
For the problem of green supplier selection considering experts’evaluation information, the multi- criteriagroup decision model for green supplier selection based on trapezoidal fuzzy soft sets is proposed. Firstly, the differentevaluation sets are selected by each expert and the linguistic variables are used for evaluation. Moreover, the“and”operationis applied to aggregate experts’evaluation information, and the information integrated trapezoidal fuzzy soft set is obtained.Secondly, the obtained trapezoidal fuzzy soft set is as initial decision-matrix in multiple attribute decision making. Theoptimal decision can be obtained by calculating ideal distance from positive-ideal solution and negative-ideal solution andthe relative closeness based on the weighted normalized trapezoidal fuzzy soft sets. Finally, an illustrative example is givento demonstrate the feasibility and practicability of the proposed method.
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