The conceptions of the knowledge screen generated by S-rough sets are given:f-screen and f^(-)-screen,and then puts forward f^(-)-filter theorem,f^(-)-filter theorem of knowledge.At last,the applications of knowledge ...The conceptions of the knowledge screen generated by S-rough sets are given:f-screen and f^(-)-screen,and then puts forward f^(-)-filter theorem,f^(-)-filter theorem of knowledge.At last,the applications of knowledge separation are given according to f^(-)-screen and f^(-)-screen.展开更多
基金supported by the National Natural Science Foundation of China(70271048).
文摘The conceptions of the knowledge screen generated by S-rough sets are given:f-screen and f^(-)-screen,and then puts forward f^(-)-filter theorem,f^(-)-filter theorem of knowledge.At last,the applications of knowledge separation are given according to f^(-)-screen and f^(-)-screen.