The significance measure for attributes in inconsistent decision tables

被引:0
|
作者
Shao, MW [1 ]
Zhang, WX [1 ]
机构
[1] Xian Jiaotong Univ, Fac Sci, Inst Informat & Syst Sci, Xian 710049, Shaanxi, Peoples R China
关键词
rough sets; decision tables; knowledge reductions;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
In this paper, by efficient utilizing discernibility attribute set, it gives the sufficient and necessary conditions to justify an attribute is indispensable, relatively dispensable or absolutely dispensable in inconsistent decision tables. A variety of discernibility functions also can be constructed, from which the cost for computing the reducts is reduced. This means that it can provide a more efficient computation for knowledge reductions in inconsistent decision tables, especially in large information systems.
引用
收藏
页码:2246 / 2250
页数:5
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