A grain logistics center location model based on extension theory is put forward, which applies extension decision method, cluster analysis and gravity method together.
综合运用可拓决策方法、聚类分析、重心法，建立了基于可拓理论的粮食物流中心选址模型。
Based on rough sets and evidence combining theory, a general method of extracting the extension decision rules of probability information system is given.
使用粗糙集和证据合成理论中的方法，给出了获取概率信息系统的扩展决策规则集的一般方法。
In this paper, a decision analysis method based on extension of the rough sets is proposed to multi_attribute decision making problems with preferential and incomplete information.
针对有偏好信息但信息不完全的多属性决策问题，给出了一种基于拓展粗糙集的决策分析方法。
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