Covering rough intuitonistic fuzzy set model

doi:10.3778/j.issn.1002-8331.2010.03.013

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (3): 42-45.DOI: 10.3778/j.issn.1002-8331.2010.03.013

• 研究、探讨 • Previous Articles Next Articles

Covering rough intuitonistic fuzzy set model

GONG Zeng-tai，MA Yan

College of Mathematics and Information Science，Northwest Normal University，Lanzhou 730070，China

Received:2009-02-16 Revised:2009-04-01 Online:2010-01-21 Published:2010-01-21
Contact: GONG Zeng-tai

覆盖粗糙直觉Fuzzy集模型

巩增泰，马延

西北师范大学数学与信息科学学院，兰州 730070

通讯作者: 巩增泰

Abstract

Abstract: Considering the defect of equivalence relation which is too stringent in Pawlak’s rough set models and the advantage of intuitionistic fuzzy sets in dealing with the uncertain information，the covering rough-intuitonistic fuzzy set models is built.In additions，the concept of roughness and rough entropy of the covering rough intuitonistic fuzzy set model are introduced to describe the uncertainty.Finally，an example is given.

Key words: rough sets, intuitonistic Fuzzy sets, covering, rough degree, rough entropy

摘要： 考虑到经典粗糙集模型中等价关系过于严格的缺陷和直觉Fuzzy集在处理不确定信息时所具有的表达力，建立了覆盖粗糙直觉Fuzzy集模型，并给出了该模型下的一些性质；接着引入了覆盖粗糙直觉Fuzzy集模型的粗糙度和粗糙熵的概念，讨论其不确定性度量；最后给出了算例。

关键词: 粗糙集, 直觉Fuzzy集, 覆盖, 粗糙度, 粗糙熵

CLC Number:

O159

GONG Zeng-tai，MA Yan. Covering rough intuitonistic fuzzy set model[J]. Computer Engineering and Applications, 2010, 46(3): 42-45.

巩增泰，马延. 覆盖粗糙直觉Fuzzy集模型[J]. 计算机工程与应用, 2010, 46(3): 42-45.

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Covering rough intuitonistic fuzzy set model

覆盖粗糙直觉Fuzzy集模型

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