Roughness measures of intuitionistic fuzzy sets

Authors:
Lei Zhou;Wen-Xiu Zhang;Wei-Zhi Wu
Affiliations:
Institute for Information and System Sciences, Faculty of Science, Xi'an Jiaotong University, Xi'an, Shaan'xi, P.R. China and School of Mathematics, Physics and Information Science, Zhejiang Ocean ...;Institute for Information and System Sciences, Faculty of Science, Xi'an Jiaotong University, Xi'an, Shaan'xi, P.R. China;School of Mathematics, Physics and Information Science, Zhejiang Ocean University, Zhoushan, Zhejiang, P.R. China
Venue:
RSKT'08 Proceedings of the 3rd international conference on Rough sets and knowledge technology
Year:
2008

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Abstract

In this paper, rough approximations of intuitionistic fuzzy sets with respect to an intuitionistic fuzzy approximation space are first introduced. Basic properties of intuitionistic fuzzy rough sets are then examined. Finally, roughness measures of intuitionistic fuzzy sets are defined and their properties are explored.