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The second attribute
Han, SQ; Wang, J; Slezak, D; Wang, G; Szczuka, M; Duntsch, I; Yao, Y
2005
发表期刊ROUGH SETS, FUZZY SETS, DATA MINING, AND GRANULAR COMPUTING, PRT 1, PROCEEDINGS
卷号3641页码:156-165
文章类型Article
摘要In practice, many datasets are shared among multiple users. However, different users may desire different knowledge from the datasets. It implies that we need to provide a specification which mines different solutions from the dataset according to the semantic of requirements. Attribute order is a better approach to describing the semantic. A reduct algorithm based on attribute order has been presented in [1]. Because of its completeness for reduct and its unique output for a given attribute order, this algorithm can be regarded as a mapping from the attribute orders set to the reducts set. This paper investigates the structure of attribute orders set for the reduct. The second attribute theorem, which can be used to determine the range of attribute orders with the same reduct for a given attribute order, has been proved in [2]. Consequently, key to use the second attribute theorem is how to find the second attributes with the largest subscript for application in an efficient way. This paper therefore presents a method based on the tree expression to fulfill the above task.
关键词Reduct Attribute Order Second Attribute Discernibility Matrix Tree Expression
WOS标题词Science & Technology ; Technology
收录类别ISTP ; SCI
语种英语
WOS研究方向Computer Science
WOS类目Computer Science, Artificial Intelligence
WOS记录号WOS:000232188600017
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9145
专题09年以前成果
作者单位1.Chinese Acad Sci, Inst Automat, Lab Complex Syst & Intelligence Sci, Beijing 100080, Peoples R China
2.Taiyuan Normal Coll, Dept Math, Taiyuan, Peoples R China
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GB/T 7714
Han, SQ,Wang, J,Slezak, D,et al. The second attribute[J]. ROUGH SETS, FUZZY SETS, DATA MINING, AND GRANULAR COMPUTING, PRT 1, PROCEEDINGS,2005,3641:156-165.
APA Han, SQ.,Wang, J.,Slezak, D.,Wang, G.,Szczuka, M.,...&Yao, Y.(2005).The second attribute.ROUGH SETS, FUZZY SETS, DATA MINING, AND GRANULAR COMPUTING, PRT 1, PROCEEDINGS,3641,156-165.
MLA Han, SQ,et al."The second attribute".ROUGH SETS, FUZZY SETS, DATA MINING, AND GRANULAR COMPUTING, PRT 1, PROCEEDINGS 3641(2005):156-165.
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