A new grey-rough set model based on interval-valued grey sets

Authors:
Wu Shunxiang;Lin Lihua;Gao Qinquan
Affiliations:
Department of Automation, Xiamen University, Xiamen, P. R. China;Department of Automation, Xiamen University, Xiamen, P. R. China;Department of Automation, Xiamen University, Xiamen, P. R. China
Venue:
SMC'09 Proceedings of the 2009 IEEE international conference on Systems, Man and Cybernetics
Year:
2009

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Abstract

In this paper, a novel grey rough set model for interval-valued grey sets information systems named interval-valued grey-rough set model is proposed and the basic theory and propositions of the interval-valued grey-rough sets is studied. Based on the proposed interval-valued rough grey model, rough similarity degree is defined, and the clustering of the interval-valued grey information systems is also examined, in the meanwhile, some examples are presented respectively.