Approaches to knowledge reduction in generalized consistent decision formal context

被引：30
|
作者：
Wang, Hong [1 ]
Zhang, Wen-Xiu [2 ]
机构：
[1] Zhongyuan Univ Technol, Fac Sci, Zhengzhou 450007, Peoples R China
[2] Xi An Jiao Tong Univ, Fac Sci, Inst Informat & Syst Sci, Xian 710049, Shaanxi, Peoples R China
来源：
MATHEMATICAL AND COMPUTER MODELLING | 2008年 / 48卷 / 11-12期
关键词：
Concept lattice; Generalized decision formal context; Knowledge reduction; Consistent set;
D O I：
10.1016/j.mcm.2008.06.007
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This paper deals with approaches to knowledge reduction in generalized consistent decision formal context. The concept of generalized consistent decision formal context is introduced and its equivalent definitions are examined. We suggest a theory of knowledge reduction for generalized consistent decision formal context and give the judgement theorems and discernibility matrix. Based on discernibility matrix, we provide the approaches to knowledge reduction in generalized consistent decision formal context of concept lattice. Crown Copyright (C) 2008 Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1677 / 1684
页数：8
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