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  2011, Vol. 24 Issue (2): 262-271    DOI:
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A Deep Web Query Interface Matching Approach Based on Evidence Theory and Task Assignment
DONG Yong-Quan1,2, LI Qing-Zhong1, DING Yan-Hui1, Zhang Yong-Xin1
1School of Computer Science and Technology, Shandong University, Jinan 250101
2School of Computer Science and Technology, Xuzhou Normal University, Xuzhou 221006

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Abstract  To solve the limitations of existing query interface matching which have the difficulties of weight setting of the matcher and the absence of the efficient processing of matching decision, a deep web query interface matching approach based on evidence theory and task assignment is proposed called evidence theory and task assignment based query interface matching approach(ETTA-IM). Firstly, an improved D-S evidence theory is used to automatically combine multiple matchers. Thus, the weight of each matcher is not required to be set by hand and human involvement is reduced. Then, a method is used to select a proper attribute correspondence of each source attribute from target query interface, which converts one-to-one matching decision to the extended task assignment problem. Finally, based on one-to-one matching results, some heuristic rules of tree structure are used to perform one-to-many matching decision. Experimental results show that ETTA-IM approach has high precision and recall measure.
Key wordsQuery Interface Matching      Schema Matching      Deep Web      Web Data Integration     
Received: 06 December 2009     
ZTFLH: TP391  
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DONG Yong-Quan
LI Qing-Zhong
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Zhang Yong-Xin
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DONG Yong-Quan,LI Qing-Zhong,DING Yan-Hui等. A Deep Web Query Interface Matching Approach Based on Evidence Theory and Task Assignment[J]. , 2011, 24(2): 262-271.
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http://manu46.magtech.com.cn/Jweb_prai/EN/      OR     http://manu46.magtech.com.cn/Jweb_prai/EN/Y2011/V24/I2/262
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