MULTI-GRANULATION VARIABLE PRECISION ROUGH SET BASED ON LIMITED TOLERANCE RELATION

被引：0
|
作者：
Wan, Renxia [1 ]
Yao, Yonghong [2 ,3 ,4 ]
Kumar, Hussain [5 ]
机构：
[1] North Minzu Univ, Sch Math & Informat Sci, Yinchuan 750021, Ningxia, Peoples R China
[2] Tiangong Univ, Sch Math Sci, Tianjin 300387, Peoples R China
[3] North Minzu Univ, Key Lab Intelligent Informat & Data Proc NingXia, Yinchuan, Ningxia, Peoples R China
[4] North Minzu Univ, Hlth Big Data Res Inst, Yinchuan 750021, Ningxia, Peoples R China
[5] Univ Regina, Machine Vis & Pattern Recognit Lab, Regina, SK S4S 0A2, Canada
来源：
UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN-SERIES A-APPLIED MATHEMATICS AND PHYSICS | 2021年 / 83卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Variable precision; mult-granulation; rough set; limited tolerance; incomplete information system; DECISION-MAKING;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper, the combination of the variable precision rough set and the limited tolerance relation under multi-granularity is explored. As an extension of rough set model, Multi-granularity variable precision limited tolerance rough set model is constructed. Properties of upper and lower approximation operator and detailed structure of object class through threshold are discussed. Theoretical proofs are given to show the rationality and superiority of the proposed model.
引用
收藏
页码：63 / 74
页数：12
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