Dominance-based Rough Set Approach in Set-valued Ordered Information Systems

被引：0
|
作者：
Chen Zichun [1 ,2 ]
Qin Keyun [1 ]
Du Weifeng [3 ]
Yang Jilin [1 ]
机构：
[1] Southwest Jiaotong Univ, Sch Math, Chengdu, Peoples R China
[2] Xihua Univ, Sch Math & Comp, Chengdu, Peoples R China
[3] Jiaxing Univ, Sch Math & Informat Engn, Jiaxing, Zhejiang, Peoples R China
来源：
ISIP: 2009 INTERNATIONAL SYMPOSIUM ON INFORMATION PROCESSING, PROCEEDINGS | 2009年
关键词：
set-valued ordered information systems; dominance relation; rough sets; dominance rules; attribute reduction;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Set-valued information systems are generalized single-valued information systems. In this paper, by introducing a type of dominance relation to set-valued ordered information systems, we establish dominance-based rough set approach and propose a ranking approach for all objects based on the dominance classes. Furthermore, we discuss dominance rules, propose attribute reductions of consistent set-valued ordered decision tables, and obtain the approach to compute decision reductions.
引用
收藏
页码：67 / +
页数：2
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