Rough Set Model for Cognitive Expectation Embedded Interval-Valued Decision Systems

被引：1
作者：
Dai Jianhua [1 ,2 ]
Liu Zhenbo [1 ]
Hu Hu [2 ]
Shi Hong [1 ]
机构：
[1] Tianjin Univ, Sch Comp Sci & Technol, Tianjin 300350, Peoples R China
[2] Zhejiang Univ, Coll Comp Sci & Technol, Hangzhou 310027, Zhejiang, Peoples R China
来源：
CHINESE JOURNAL OF ELECTRONICS | 2018年 / 27卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Rough set; Interval-valued decision system with cognitive expectation; Attribute reduction; FEATURE-SELECTION;
D O I：
10.1049/cje.2017.09.024
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Interval-valued information system is a kind of knowledge representation model for uncertain information. An interval-valued attribute has an expectation by experience or background knowledge, called cognitive expectation. There are few studies aiming at interval-valued attributes with cognitive expectations. We propose the concept of Interval-valued decision system with expectations (IDSE). A new dominance relation based on the distances between expectations and interval values is constructed, Based on the constructed dominance relation, a rough set model for IDSE is investigated. Attribute reduction in IDSE is also examined by using discernibility matrices and discernibility functions.
引用
收藏
页码：675 / 679
页数：5
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