The definition of extended decision matrices was presented. A novel algorithm based on extended decision matrices for attribute reduction(EDMAR) was proposed.
研究了Rough集理论中属性约简和值约简问题,扩展了决策矩阵的定义,提出了一种基于决策矩阵的完备属性约简算法,该算法利用决策属性把论域划分成多个等价类,然后利用每个等价类对应的决策矩阵计算属性约简。
参考来源 - 一种基于决策矩阵的属性约简及规则提取算法·2,447,543篇论文数据，部分数据来源于NoteExpress
Furthermore, a new algorithm for rule extraction based on decision matrices was presented. And much more concise decision rules could be got with this method.
同时，借助决策矩阵进行值约简，提出了一种新的规则提取算法，使最终得到的决策规则更加简洁。
With respect to the consistence problem of expert groups judgments based on the preference information about interval Numbers decision matrices, an analytic method is proposed.
针对群决策中基于区间数决策矩阵形式偏好信息的专家群体判断共识性问题，提出了一种分析方法。
Then, an analytic method for the consistency between each experts judgment and experts groups judgment is given based on definitions of vectors of interval Numbers decision matrices.
针对群决策中基于区间数决策矩阵形式偏好信息的专家群体判断共识性问题，提出了一种分析方法。
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