摘要
Ｒｏｕｇｈ集理论作为一种具有模糊边界的集合理论，被广泛运用于不确定环境下的信息处理。文章探讨了一种基于相似关系Ｒｏｕｇｈ集的模糊查询技术，它是对普通Ｒｏｕｇｈ集在数据库中应用的推广，能有效地提高查询的灵活度及效率。
Rough set as a theory of set with fuzzy boundary is widely applied to deal with the information under uncertainty.In this paper,a technique of fuzzy query based on similarity relation rough set is discussed.It is a generalized approach of the original rough set in the application of database.lt can improve the efficiency of flexible query in database.
出处
《计算机工程与应用》
CSCD
北大核心
2000年第2期123-125,共3页
Computer Engineering and Applications
