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采用 Vague集理论来描述和处理不确定信息或含糊信息 ,比采用模糊集理论描述和处理不确定信息或含糊信息在很多情况下更贴近客观现实 .在诸学者对模糊群体决策研究的基础上 ,提出一种 Vague群体决策方法 ,采用 Vague值作为决策者对备选方案的评估值 ,通过对决策者的各备选方案偏好值的集结 ,最后根据集结值的效用值对备选方案排序 ,进行决策 .
Vague set theory to describe and deal with uncertain information or ambiguous information, than the use of fuzzy set theory to describe and deal with uncertain information or ambiguous information in many cases closer to the objective reality.In the scholars on the fuzzy group decision-making based on the study, A Vague group decision-making method is proposed. Vague value is adopted as the evaluation value of the decision maker. By assembling the decision makers’ preference values of each alternative, the alternatives are sorted according to the utility value of the aggregation value decision making .