Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (11): 34-36.

• 研究、探讨 • Previous Articles     Next Articles

Knowledge granulation representation of concepts and operations in rough set theory

LI Xiuhong   

  1. School of Statistics & Mathematics,Shandong Economic University,Jinan 250014,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-04-11 Published:2011-04-11

粗糙集概念与运算的知识粒度表示

李秀红   

  1. 山东经济学院 统计与数学学院,济南 250014

Abstract: Some important properties and theorems of knowledge granulation are discussed.Based on it,the paper studies on rough set from the point of view of knowledge granulation,and knowledge granulation representations of the concepts and operations in rough set theory are given.At last,the equivalent properties between knowledge granulation representation and algebraic representation of attribute reduction are proved.

Key words: rough set, knowledge granulation, attribute reduction

摘要: 探讨了知识粒度的一些重要性质和定理。在此基础上,从知识粒度的角度对粗糙集进行研究,给出了粗糙集中主要概念与运算的知识粒度表示,最后证明了属性约简在知识粒度与代数两种不同表示下是等价的。

关键词: 粗糙集, 知识粒度, 属性约简