Computer Engineering and Applications ›› 2013, Vol. 49 ›› Issue (2): 155-156.

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Interval-valued intuitionistic fuzzy rough sets based on coverings

WANG Yanping, SUN Jing, CHEN Meiwei   

  1. School of Science, Liaoning University of Technology, Jinzhou, Liaoning 121001, China
  • Online:2013-01-15 Published:2013-01-16

基于覆盖的区间直觉模糊粗糙集

王艳平,孙  静,陈美巍   

  1. 辽宁工业大学 理学院,辽宁 锦州 121001

Abstract: Rough approximation of an interval-valued intuitionistic fuzzy set is established based on a crisp covering approximation space. The interval-valued intuitionistic fuzzy rough set models based on a interval-valued intuitionistic fuzzy covering are presented by the concept of interval-valued intuitionistic fuzzy covering. Some properties of the interval-valued intuitionistic fuzzy rough sets based on covering are discussed.

Key words: covering, rough sets, interval-valued intuitionistic fuzzy sets, approximation operators, rough fuzzy sets

摘要: 在经典的覆盖近似空间中,定义了区间直觉模糊概念的粗糙近似。通过区间直觉模糊覆盖概念,给出了一种基于区间直觉模糊覆盖的区间直觉模糊粗糙集模型。讨论了两种模型的一些相关性质。

关键词: 覆盖, 粗糙集, 区间直觉模糊集, 近似算子, 粗糙模糊集