%0 Journal Article
%T Rough Set Reduction Using Method of Closed Operator<br>粗糙集约简的闭算子方法
%A WEI Ling
%A ZHANG Wen-Xiu
%A <br>魏玲
%A 张文修
%J 计算机科学
%D 2007
%I 
%X Attribute reduction is one of the most important problems in knowledge discovery in information system. The general method to study attribute reduction in information system is rough set theory, whose theoretical basis is the equivalence relations on attr
%K Information system
%K Equivalence relation
%K Closed operator
%K Closed set
%K Attribute reduction<br>信息系统
%K 等价关系
%K 闭算子
%K 闭集
%K 属性约简
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=0ADBD2A43E73092C9B6CA470E8273EEC&yid=A732AF04DDA03BB3&vid=339D79302DF62549&iid=CA4FD0336C81A37A&sid=BA79719BCA7341D5&eid=F1177A9DF1349B63&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=11