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《Journal of Chongqing University of Science and Technology(Natural Sciences Edition)》 2008-02
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An Algorithm for Attribute Reduction Based on Attribute Significance

YANG Guan-jun XIE Yong-fang GUI Wei-hua(Central South University,Changsha 410083)  
The reduction of attributes is a core contents of Rough Set theory.It is proved that computing all the reduction and the optimal reduction of decision table is a NP typical problem.In this paper,heuristic algorithm is deeply investigated and an improved algorithm is proposed.An example shows the algorithm's efficiency.
【Fund】: 国家自然科学基金重点项目(60634020)
【CateGory Index】: TP18
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