VPT-OMGRS: Variable precision optimistic multigranulation rough set based on tolerance relations

被引：0
作者：
Yao, Sheng [1 ]
Li, Longshu [1 ]
Xu, Yi [1 ]
机构：
[1] Dept. of Computer Science and Technology, University of AnHui University
来源：
Journal of Engineering Science and Technology Review | 2013年 / 6卷 / 05期
关键词：
Multigranulation; Tolerance relationl; Variable precision rough set;
D O I：
10.25103/jestr.065.07
中图分类号：
学科分类号：
摘要：
In recent years, multigranulation rough set has been an emerging direnction in rough set theory, which uses multiple structures. To study the incomplete information system under multigranulation environment, this paper first proposes the variable precision optimistic multigranulation rough set based on tolerance relations combining the advantages of tolerance relation and variable precision rough set. Then, three elementary measures are introduced for the new model, and the properties of the new model and the measures are discussed. Finally, some experimental results show the variation of the three elementary measures with the value threshold. © 2013 Kavala Institute of Technology.
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页码：48 / 54
页数：6
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