摘要
S-粗集(singular rough sets)是对Z.Pawlak粗集的改进,单向S-粗集对偶(dual of one direction sin-gular rough sets)是S-粗集的基本形式之一。利用单向S-粗集对偶,给出数据属性,数据筛选-过滤概念,数据筛选-过滤序定理,合成数据筛选-过滤定理,及数据筛选-过滤准则。利用这些结果,给出应用。单向S-粗集对偶是动态数据筛选-过滤研究的一个新工具。
S-rough sets (Singular rough sets) are an improvement on Z. Pawlak rough sets, and a dual of one directional S-rough sets is one of the basic forms of S-rough sets. By using the dual of one directional S- rough sets, the data attribute and the concept of data sieve-filtration are given. Furthermore, the data sleve-filtration order theorem, composite data sieve-filtration theorem and data sieve-filtration rule are also introduced. Using these results, the application is given. The dual of one directional S-rough sets is a new tool for researching dynamic data sieve-filtration.
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2008年第6期1089-1092,共4页
Systems Engineering and Electronics
基金
山东省自然科学基金(Y2004A04)
福建省教育厅A类科技项目(JA07176)
福建省教育厅B类科技项目(JB06170)资助课题
关键词
单向S-粗集对偶
数据筛选-过滤
筛选-过滤度
筛选-过滤定理
应用
dual of one directional S-rough sets
data sieve-filtration
sieve-filtration degree
data sieve-filtration theorem
application