%0 Journal Article
%T S-rough Sets and Characteristics of Data Mining Unit Circle<br>S-粗集与数据挖掘单位圆特征
%A SHI Kai-quan
%A <br>史开泉
%J 计算机科学
%D 2010
%I 
%X One direction singular rough sets and the structure of dual of one direction singular rough sets were given.One direction singular rough sets and dual of one direction singular rough sets come from improved Z.Pawlak rough sets.One direction singular rough sets and dual of one direction singular rough sets have dynamic characteristics.The relation between one direction singular rough sets,dual of one direction singular rough sets and Z.Pawlak rough sets was also proposed.S-rough sets have three types of form...
%K One direction singular rough sets
%K Dual of one direction singular rough sets
%K Data internal-mining
%K Data outer-mining
%K Unit circle
%K Outer concentric circle theorem
%K Internal concentric circle theorem
%K Application<br>单向S-粗集
%K 单向S-粗集对偶
%K 数据内挖掘
%K 数据外挖掘
%K 单位圆
%K 外同心圆定理
%K 内同心圆定理
%K 应用
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=704C2ECEB33580FEDC7E35C1F844FC2C&yid=140ECF96957D60B2&vid=42425781F0B1C26E&iid=94C357A881DFC066&sid=CA4FD0336C81A37A&eid=5D311CA918CA9A03&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=22