This paper analyses attribute value reduction, and presents a method to acquire briefest rules directly by constructing decision matrix in consistent decision table.

该文分析属性值约简，针对协调决策表提出一种通过构造决策矩阵直接获取最简规则的方法。

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Based on the definitions, the core finding algorithm, the relative attribute reduction algorithm and value reduction of information decision system are presented based on binary discernibility matrix.

在定义的基础上，给出了基于二进制区分矩阵的求核算法、相对属性约简算法及值约简算法。

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The possible value range of the incomplete elements and the method of decision-making based on the incomplete linguistic judgment matrix are studied.

研究了残缺语言判断矩阵的残缺元素取值范围推断方法及基于残缺语言判断矩阵的决策方法。

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