摘要
提出了一种基于覆盖粗糙集理论,利用最大一致块技术进行不完备信息系统约简的方法。在证明利用最大一致块技术生成的相容类构成论域的最简覆盖基础上,利用覆盖粗糙集理论对已利用最大一致块技术进行属性约简的信息系统进行属性值约简,并提出一种新的约简算法。
Proposed a reduet method of an incomplete information system based on covering rough set theory and maximal consistent block technique. On the base of minimal covering constructed the tolerance classes from the maximal consistent block technique, carried the attribute value reduct through the covering rough set theory on the system that has been reduced in attributes by the maximal consistent block technique, and proposed a new reduct algorithm.
出处
《计算机技术与发展》
2007年第9期109-112,共4页
Computer Technology and Development
基金
辽宁省教育厅基金资助项目(20031066)
关键词
不完备信息系统
约简
覆盖粗糙集
最大一致块
粗集
incomplete information system
reduct
covering rough set
maximal consistent block
rough set
