An intuitionistic fuzzy dominance---based rough set

Authors:
Yanqin Zhang;Xibei Yang
Affiliations:
School of Economics, Xuzhou Institute of Technology, Xuzhou, P.R. China;School of Computer Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, P.R. China
Venue:
ICIC'11 Proceedings of the 7th international conference on Intelligent Computing: bio-inspired computing and applications
Year:
2011

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Abstract

The dominance---based rough set approach plays an important role in the development of the rough set theory. It can be used to describe the inconsistencies coming from consideration of the preference---ordered domains of the attributes. The purpose of this paper is to further generalize the dominance---based rough set model to fuzzy environment. The constructive approach is used to define the intuitionistic fuzzy dominance---based lower and upper approximations, respectively. Basic properties of the intuitionistic fuzzy dominance---based rough approximations are then examined.