摘要
粗糙集理论是一种处理模糊和不确定性问题的新的数学方法。本文通过引入知识的信息量概念 。
Rough set theory is a new mathematical approach to deal with vagueness and uncertainty.This paper addresses information measures of roughness of knowledge and significance of attribute by introducing a concept of information quantity.
出处
《工程数学学报》
CSCD
北大核心
2000年第B05期106-108,共3页
Chinese Journal of Engineering Mathematics
基金
Foundation item :Thiswork wassupported by the national young science foundation of China !( No.6980 50 0 4 )
The studying
关键词
粗糙集理论
知识粗糙性
属性重要性
信息度量
information systems,roughness of knowledge,significance of attributes,information quantity