Transformation of bipolar fuzzy rough set models

Authors:
Hai-Long Yang;Sheng-Gang Li;Zhi-Lian Guo;Chun-Hui Ma
Affiliations:
College of Mathematics and Information Science, Shaanxi Normal University, 710062 Xi'an, PR China;College of Mathematics and Information Science, Shaanxi Normal University, 710062 Xi'an, PR China;College of Mathematics and Information Science, Shaanxi Normal University, 710062 Xi'an, PR China;College of Mathematics and Information Science, Shaanxi Normal University, 710062 Xi'an, PR China
Venue:
Knowledge-Based Systems
Year:
2012

Citing 33
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Abstract

In this paper, the notions of the union, the intersection, and the inverse of bipolar fuzzy approximation spaces are first introduced, respectively, and some related results are obtained. Then, the composition of bipolar fuzzy approximation spaces are proposed, and some properties are discussed. Finally, we give two examples to illustrate the applications of bipolar fuzzy rough set models' transformation in multiple criteria decision making.