Fuzzy Extensions of Rough Approximations Based on Relations

被引：0
|
作者：
Li, Tong-Jun [1 ]
机构：
[1] Zhejiang Ocean Univ, Sch Math Phys & Informat Sci, Zhoushan 316000, Zhejiang, Peoples R China
来源：
FIFTH INTERNATIONAL CONFERENCE ON FUZZY SYSTEMS AND KNOWLEDGE DISCOVERY, VOL 5, PROCEEDINGS | 2008年
关键词：
Fuzzy relations; Fuzzy rough sets; Fuzzy sets; Rough sets;
D O I：
10.1109/FSKD.2008.42
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper mainly focus on the fuzzy rough approximation operators based fuzzy relations. Three types of rough approximation operators based on crisp relations are reviewed. Based on their composition properties, two types of them are generalized in fuzzy approximation space. Subsequently, some properties of the derived fuzzy rough fuzzy approximation operators are examined in detail. By comparing three pairs of fuzzy approximation operators based on fuzzy relations, some conditions are obtained, under which some or all of them are equivalent.
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页码：266 / 270
页数：5
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