%0 Journal Article
%T Matrix Method for Attribute Reduction for Incomplete Information Systems<br>基于等价类矩阵的属性约简
%A YAN De-Qin
%A <br>闫德勤
%J 计算机科学
%D 2005
%I 
%X In this paper, matrix expression for equivalence relation is proposed, some theorems related to equivalence matrix and the property of core are presented. And, a new method of attribute reduction for incomplete information systems is given. The validity of the method is verified by an example.
%K Rough sets
%K Attribute reduction
%K Equivalent matrix<br>粗糙集
%K 属性约简
%K 等价类矩阵
%K 矩阵表示
%K 等价类
%K 不完备信息系统
%K 约简方法
%K 等价关系
%K 类模型
%K 核属性
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=DAE106F006B42899&yid=2DD7160C83D0ACED&vid=9971A5E270697F23&iid=708DD6B15D2464E8&sid=C5F8B8CB20F1B3D8&eid=73579BC9CFB2D787&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=4