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双论域信息系统上的优势关系与知识发现 被引量:1

Dominance relation and knowledge discovery in double universe information systems
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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。 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.
出处 《计算机工程与应用》 CSCD 北大核心 2011年第16期43-45,共3页 Computer Engineering and Applications
基金 山西省自然科学基金No.2008011012~~
关键词 粗糙集 信息系统 约简 辩识矩阵 rough sets information systems reduction discernibility matrix
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参考文献10

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