A new discernibility matrix and function

被引：0
|
作者：
Deng, Dayong [1 ]
Huang, Houkuan [1 ]
机构：
[1] Beijing Jiaotong Univ, Sch Comp & Informat Technol, Beijing 100044, Peoples R China
来源：
ROUGH SETS AND KNOWLEDGE TECHNOLOGY, PROCEEDINGS | 2006年 / 4062卷
关键词：
rough sets; decision table; discernibility matrix; discernibility function;
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 the paper, we define a new discernibility matrix and function between two decision tables. They are extension of Hu's improved discernibility matrix and function such that the reducts and the cores of decision tables could be calculated by parts of them. The method of new discernibility matrix and function may be applied to the cases of large amount of data and incremental data.
引用
收藏
页码：114 / 121
页数：8
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