摘要
本文在Pawlak提出的Rough集的知识发现的基础上。
This paper deals with knowledge discovery in fuzzy target information systems. The (concepts) of rough lower and upper approximations of a fuzzy set are defined. The (approaches) of (knowledge) discovery and knowledge reduction in fuzzy target information systems are provided.
出处
《模糊系统与数学》
CSCD
北大核心
2005年第1期121-125,共5页
Fuzzy Systems and Mathematics