改进的简化决策表及属性约简  

Improved Simple Decision Table and Attributes Reduction

作　　者：廖毅强[1] 桂现才[2] 

机构地区：[1]广东轻工职业技术学院,广东广州510300 [2]湛江师范学院数学与计算科学学院,广东湛江524048

出　　处：《数学的实践与认识》2008年第1期138-142,共5页Mathematics in Practice and Theory

基　　金：湛江师范学院科研基金项目(L0602)

摘　　要：研究了不一致决策表的简化与属性约简问题,指出目前简化的决策表的局限:在简化的决策表上用现有的属性约简方法与在原决策表上基于正区域的属性约简方法,所得到的结果不一致.进一步对简化的决策表进行转换,得到新的决策表.基于正区域的属性约简,证明了在原决策表上约简与在新的决策表上约简结果相同.从而保证在实际应用中,对新的决策表可以用任意一种属性约简方法.The simplification of inconsistent decision table and attributes reduction are studied in this paper, the limits of the simple decision table is that the attribute reduction from the existing method in simple decision table is not consistent with the one from the original decision table. A new decision table is acquired by converting simple decision table. Based on positive region, the attributes reduction in the original decision table is the same as in the new decision table. Every method of attributes reduction can be used for the new decision table.

关 键 词：属性约简 正区域 差别矩阵 简化的决策表 

分 类 号：TP18[自动化与计算机技术—控制理论与控制工程]