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优势关系下直觉模糊目标信息系统的上近似约简

, PP. 300-304

Keywords: 粗糙集,优势关系,决策属性,直觉模糊数

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Abstract:

传统的粗糙集理论对决策属性值为直觉模糊数的直觉模糊目标信息系统不能直接属性约简.文中在直觉模糊目标信息系统中引入优势关系,基于优势关系定义条件属性集的上近似决策协调集,给出上近似约简的判定定理,建立该信息系统条件属性集的上近似约简模型,并给出上近似约简的算法步骤.在决策属性值为直觉模糊数的一些目标信息系统中,利用条件属性集的上近似约简,可得到更为简洁的决策规则.最后给出一个实例验证算法的有效性.

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