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ScientificWorldJournal. 2014;2014:348683. doi: 10.1155/2014/348683. Epub 2014 May 13.

Rough Atanassov's intuitionistic fuzzy sets model over two universes and its applications.

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  • 1School of Mathematics and Statistics, Chongqing University of Technology, Chongqing 400054, China.

Abstract

Recently, much attention has been given to the rough set models based on two universes. And many rough set models based on two universes have been developed from different points of view. In this paper, a novel model, that is, rough Atanassov's intuitionistic fuzzy sets model over two different universes, is firstly proposed from Atanassov's intuitionistic point of view. We study some important properties of approximation operators and investigate the rough degree in the novel model. Furthermore, an illustrated example is employed to demonstrate the conceptual arguments of the model. Finally, rough Atanassov's intuitionistic fuzzy sets approach to decision is presented in the generalized approximation space over two universes by considering the problem about how to arrange patients to see the doctor reasonably, from which it can be found that the method is valuable and useful in real life.

PMID:
24959609
[PubMed - indexed for MEDLINE]
PMCID:
PMC4052704
Free PMC Article
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