A variable precision covering generalized rough set model

Authors:
Xinwei Zheng;Jian-Hua Dai
Affiliations:
Information Science School of Guangdong University of Business Studies, Guangzhou, China;School of Computer Science and Technology, Zhejiang University, Hangzhou, China
Venue:
RSKT'11 Proceedings of the 6th international conference on Rough sets and knowledge technology
Year:
2011

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Abstract

The covering generalized rough sets are an improvement of traditional rough set model to deal with more complex practical problems which the traditional one cannot handle. A variable precision extension of a covering generalized rough set model is proposed in this paper. Some properties are investigated.