Volume 37 Issue 2
Feb.  2012
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HE Jie, CHEN Nengcheng, ZHENG Zhong, WANG Wei. A Semantics Approach for Multi-Version Web Coverage Service Schema Match[J]. Geomatics and Information Science of Wuhan University, 2012, 37(2): 210-214.
Citation: HE Jie, CHEN Nengcheng, ZHENG Zhong, WANG Wei. A Semantics Approach for Multi-Version Web Coverage Service Schema Match[J]. Geomatics and Information Science of Wuhan University, 2012, 37(2): 210-214.
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A Semantics Approach for Multi-Version Web Coverage Service Schema Match

  • 1 School of Resource and Environment,Ningxia University,489 West Helanshan Road,Yinchuan 750021,China;2 State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing, Wuhan University,129 Luoyu Road,Wuhan 430079,China

Funds: 国家973计划资助项目(2011CB707101);;国家863计划资助项目(2011AA010500);;国家自然科学基金资助项目(41171315,41021061)
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  • Received Date: December 14, 2011
  • Published Date: February 04, 2012
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    • Abstract
  • A schema match approach based on semantics is put forward.Firstly,the concepts at labels is built,and the semantic relationship between labels is computed,then the concepts at labels to concept at a node by a conjunction of all concepts at labels located above the given node are extended,including the node itself,concepts at node are translated into propositional formulas and then into CNF,which allows us to translate the matching problem into a propositional validity problem,which can then be efficiently resolved using SAT.Different versions of WCS schema-matching experiments show that the average recall of the semantic matching for the schemas is above 82%,the average precision reaches 91%,and the average overall achieves 67%.
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