Constructive methods of rough approximation operators and multigranulation rough sets

被引：114
|
作者：
Zhang, Xiaohong [1 ]
Miao, Duoqian [2 ]
Liu, Caihui [3 ]
Le, Meilong [4 ]
机构：
[1] Shanghai Maritime Univ, Coll Arts & Sci, Dept Math, Shanghai 201306, Peoples R China
[2] Tongji Univ, Dept Comp Sci & Technol, Shanghai 201804, Peoples R China
[3] Gannan Normal Univ, Dept Math & Comp Sci, Ganzhou 341000, Peoples R China
[4] Nanjing Univ Aeronaut & Astronaut, Coll Civil Aviat, Nanjing 210016, Jiangsu, Peoples R China
来源：
KNOWLEDGE-BASED SYSTEMS | 2016年 / 91卷
基金：
中国国家自然科学基金;
关键词：
Rough approximation pair; Constructive method; Non-dual multigranulation rough set; Hybrid multigranulation rough set; ALGEBRAIC STRUCTURES; SELECTION;
D O I：
10.1016/j.knosys.2015.09.036
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Four kinds of constructive methods of rough approximation operators from existing rough sets are established, and the important conclusion is obtained: some rough sets are essentially direct applications of these constructive methods. Moreover, the new notions of non-dual multigranulation rough sets and hybrid multigranulation rough sets are introduced, and some properties ate investigated. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：114 / 125
页数：12
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