Information concept lattice and its reductions

Authors:
Wei Xu;Ping Xu;Wenxiu Zhang
Affiliations:
School of Management, Graduate University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, China and School of Sciences, Xi'an Jiaotong University, Shannxi, China;School of Sciences, Xi'an Jiaotong University, Shannxi, China;School of Sciences, Xi'an Jiaotong University, Shannxi, China
Venue:
RSKT'07 Proceedings of the 2nd international conference on Rough sets and knowledge technology
Year:
2007

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Abstract

In this paper, the combination of formal concept analysis and rough set theory is considered. The notion of information concept lattice is presented and some properties are given. We present the reduction theory of information concept lattice and obtain the reduction method. Information concept lattice is compared with rough set theory and concept lattice.