Attribute reduction of set-valued information system based on restriction tolerance relation

Computer Engineering and Applications ›› 2013, Vol. 49 ›› Issue (7): 24-27.

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Attribute reduction of set-valued information system based on restriction tolerance relation

QIAO Quanxi1，2, QIN Keyun1

1.Department of Mathematics, Southwest Jiaotong University, Chengdu 610031, China
2.School of Mathematics & Information Science, Henan Polytechnic University, Jiaozuo, Henan 454000, China

Online:2013-04-01 Published:2013-04-15

集值信息系统基于限制相容关系的属性约简

乔全喜1，2，秦克云1

1.西南交通大学数学系，成都 610031
2.河南理工大学数学与信息科学学院，河南焦作 454000

Abstract

Abstract: This paper is devoted to the discussion of attribute reduction of set-valued information system based on symmetry restriction tolerance relation. The characteristic of similar level core attribute is introduced. The example shows that this algorithm can obtain the relative reduction of set-valued information system.

Key words: rough set, set-valued information system, symmetry restriction, tolerance relation, attribute reduction

摘要： 讨论集值信息系统基于限制相容关系的属性约简方法；给出相似水平核心属性的特征。通过实例说明该算法能够得到集值信息系统的相对约简。

关键词: 粗糙集, 集值信息系统, 对称限制, 相容关系, 属性约简

QIAO Quanxi1，2, QIN Keyun1. Attribute reduction of set-valued information system based on restriction tolerance relation[J]. Computer Engineering and Applications, 2013, 49(7): 24-27.

乔全喜1，2，秦克云1. 集值信息系统基于限制相容关系的属性约简[J]. 计算机工程与应用, 2013, 49(7): 24-27.

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Attribute reduction of set-valued information system based on restriction tolerance relation

集值信息系统基于限制相容关系的属性约简

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