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《Journal of Northeastern University(Natural Science)》 2004-08
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Subsystem of Fuzzed Rough Sets Based on the Equivalence Classes

ZHOU Jun~1, ZHANG Qing-ling~1, CHEN Wen-Shi~2 (1. School of Science, Northeastern University, Shenyang 110004, China; 2. Department of Computer Science, Liaoning Institute of Technology, Jinzhou 121001, China. )  
From the angle of the system, some properties about the class of fuzzy sets formed by rough sets being fuzzed by using the equivalence relation for given information system are discussed. It is proved that the class of fuzzy sets is the subsystem of the fuzzy system on the related universe of discourse. But this subsystem is a class special subsystem of fuzzy system. The transferable operation doesn't hold in this subsystem. The results supply some basic theories for how to research the relations between rough sets and fuzzy sets.
【Fund】: 辽宁省优秀青年骨干教师基金资助项目;; 辽宁省教育厅基金资助项目(20031066)
【CateGory Index】: TP18
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【References】
Chinese Journal Full-text Database 3 Hits
1 ZHOU Jun~1, ZHANG Qing-ling~1, CHEN Wen-shi~2(1. School of Sciences, Northeastern University, Shenyang 110004, China; 2. Department of Computer Science Liaoning Institute of Technology, Jinzhou 121001, China. );Generalization of Covering Rough Sets[J];JOURNAL OF NORTHEASTERN UNIVERSITY;2004-10
2 CUI Jie,JIA Dan,ZHOU Jun(Computer Science & Engineering College,Liaoning Institute of Technology,Jinzhou 121001,China);Method about Extracting Rules Based on Rough Sets Theory[J];Journal of Liaoning Institute of Technology;2006-05
3 ZHANG Ya-jun,WANG Yan-ping,FU Shang-jin(Department of Mathematical & Physical Science,Liaoning University of Technology,Jinzhou 121001,China);On Finding Core and Reduction in Covering Rough Set Theory[J];Fuzzy Systems and Mathematics;2007-06
【Citations】
Chinese Journal Full-text Database 1 Hits
1 ZHOU Jun~1,ZHANG Chao-yan~2,GU Wen-xiang~3 (1.Department of Computer Science,Liaoning Institute of Technology,Jinzhou 121001,China; 2.Department of Mathematics,Changchun Teachers College,Changchun 130032,China; 3.Department of Computer Science,Northeast Normal University,Changchun 130024,China);A method about rough sets being fuzzed by using equivalence relation[J];Journal of Northeast Normal University (Natural Science Edition);2004-01
【Co-references】
Chinese Journal Full-text Database 1 Hits
1 TANG Jian-guo 1, TAN Ming-shu 2 (1.Department of Electronic Engineering, Chongqing Three Gorges University, Wanzhou 404000, China; 2.Department of Computer Science, Chongqing Three Gorges University, Wanzhou 404000, China);On finding core and reduction in rough set theory[J];Control and Decision;2003-04
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 YANG Yun (Department of Mathematics and Econometrics,Hubei University of Education,Wuhan 430070,China);Covering Rough Sets Model on Complete Distributive Lattices[J];Fuzzy Systems and Mathematics;2009-06
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