文章基本信息

标题：The Difference Degree of Condition Attributes and Its Application in the Reduction of Attributes
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作者：Qiu, Taorong ; Li, Yuyuan ; Bai, Xiaoming 等
期刊名称：Journal of Computers
印刷版ISSN：1796-203X
出版年度：2012
卷号：7
期号：5
页码：1087-1091
DOI：10.4304/jcp.7.5.1087-1091
语种：English
出版社：Academy Publisher
摘要：The attribute reduction based on rough set usually reflects the essence of information table and it is the key content of rough set theory. With the analysis of the difference degree between equivalence classes or tolerance classes based on rough set theory, a measure for the importance of attributes was introduced. And based on the measure, a method of the reduction of attributes was proposed and a corresponding reduction algorithm was designed. This method is applicable to a complete information system and incomplete information system. In the algorithm, the measure was used as heuristic factor to find a reduction subset. And also, the approximation quality of classification was applied to evaluate the quality of the reduction subset. Finally, test and comparison results show that the proposed method is feasible.
关键词：Rough Set;Attribute Reduction;Importance of Attributes;Difference Degree of Sets