Knowledge reduction of set-valued information system based on variable precision tolerance relation
CHEN Zi-chun1,2,QIN Ke-yun1
1.Department of Mathematics,Southwest Jiaotong University,Chengdu 610013,China 2.School of Mathematics and Computer,Xihua University,Chengdu 610039,China
CHEN Zi-chun1,2,QIN Ke-yun1. Knowledge reduction of set-valued information system based on variable precision tolerance relation[J]. Computer Engineering and Applications, 2008, 44(9): 27-29.