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单向S-粗集对偶与数据筛选-过滤的扩展应用

Extension and application about dual of one directional S-rough sets and data sieve-filtration
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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
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参考文献8

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