摘要
属性约简是RoughSet理论研究中的核心内容之一 ,本文指出了Pawlak 1986~ 1988期间提出的 (相对 )属性约简定义的缺陷 ,同时给出一种更为合理的定义 。
Reduction of attributes is one of the major concerns in the research on rough set theory. In this article, a defect in the definition of (relative) reduction which was provided by Pawlak during 1986~1988 is pointed out and the author gives a more reasonable definition which is proved by an example.
出处
《福州大学学报(自然科学版)》
CAS
CSCD
2000年第3期117-119,共3页
Journal of Fuzhou University(Natural Science Edition)
基金
福建省科技三项项目!(K990 39)
关键词
划分精度
缺陷
独立子集
粗糙集
属性约简
rough set
reduction
classification accuracy
positive
independent set