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Measuring tag weighing in XML keyword search
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2楼2014-06-19 18:53:56
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已收录: Record 1 from Compendex for: ((Measuring tag weighing in XML keyword search) WN TI), 1969-2015 Check record to add to Selected Records 1. Add to selected records Accession number: 20130515953872 Title: Measuring tag weighing in XML keyword search Authors: Wu, Qingtao1; Lou, Ying1 Email author xianyinglou@gmail.com; Zheng, Ruijuan1; Zhang, Mingchuan1; Wei, Wangyang1 Author affiliation: 1 Electronic Information Engineering College, Henan University of Science and Technology, Luoyang 471003, China Corresponding author: Lou, Y. (xianyinglou@gmail.com) Source title: Journal of Information and Computational Science Abbreviated source title: J. Inf. Comput. Sci. Volume: 9 Issue: 18 Issue date: December 19, 2012 Publication year: 2012 Pages: 5587-5594 Language: English ISSN: 15487741 Document type: Journal article (JA) Publisher: Binary Information Press, Flat F 8th Floor, Block 3, Tanner Garden, 18 Tanner Road, Hong Kong Abstract: Keyword search over XML databases has attracted a lot of attention recently. Existing approaches mainly adopt the concept of lowest common ancestor (LCA), which excessively emphasizes the structural relationships among nodes in XML data. However, semantics of XML data are not fully exploited. The semantics is implied by XML tags. Inspired from relational databases and information entropy, we study how to use the tag weighing to improve the quality of XML keyword search results. We propose the notion of Tag Weighing (TW), which can reflect the importance of value nodes that contained by the tags. Finally, we implement the proposed techniques in our ranking schema. The extensive experiments demonstrate effectiveness of our approach. Copyright © 2012 Binary Information Press. Number of references: 9 Main heading: XML Controlled terms: Search engines - Semantics - Weighing Uncontrolled terms: Information entropy - Keyword search - Lowest common ancestors - Ranking - Relational Database - Structural relationship - XML data - XML database - XML tags Classification code: 723 Computer Software, Data Handling and Applications - 903.2 Information Dissemination - 943.3 Special Purpose Instruments Database: Compendex Compilation and indexing terms, © 2013 Elsevier Inc. |
3楼2014-06-19 19:12:44