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

被引：2

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

页码：675 / 679

页数：5

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