Dominance relation and knowledge discovery in double universe information systems

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (16): 43-45.

• 研究、探讨 • Previous Articles Next Articles

Dominance relation and knowledge discovery in double universe information systems

WANG Hong1，WANG Jun1，CHEN Xi’e2

1.School of Mathematic and Science，Shanxi Normal University，Linfen，Shanxi 041000，China
2.Shanxi Coal Mining Adminstrators College，Taiyuan 030006，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-06-01 Published:2011-06-01

双论域信息系统上的优势关系与知识发现

王虹1，王军1，陈喜娥2

1.山西师范大学数学与计算机科学学院，山西临汾 041000
2.山西煤炭管理干部学院，太原 030006

Abstract

Abstract: The dominance relation is introduced in the double universe information system and some definitions and properties are given.The attribute reduction and the discernibility matrix are discussed.An example verifies the effectiveness of the method.

Key words: rough sets, information systems, reduction, discernibility matrix

摘要： 在双论域信息系统上引入优势关系，给出了基于优势关系下双论域信息系统上的一些定义及性质，并讨论了双论域信息系统上的属性约简与辨识矩阵，通过实例验证该方法的有效性。

关键词: 粗糙集, 信息系统, 约简, 辩识矩阵

WANG Hong1，WANG Jun1，CHEN Xi’e2. Dominance relation and knowledge discovery in double universe information systems[J]. Computer Engineering and Applications, 2011, 47(16): 43-45.

王虹1，王军1，陈喜娥2. 双论域信息系统上的优势关系与知识发现[J]. 计算机工程与应用, 2011, 47(16): 43-45.

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Dominance relation and knowledge discovery in double universe information systems

双论域信息系统上的优势关系与知识发现

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