Volume 35 Issue 8
Aug.  2010
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TANG Xuri, CHEN Xiaohe, ZHANG Xueying. Research on Toponym Resolution in Chinese Text[J]. Geomatics and Information Science of Wuhan University, 2010, 35(8): 930-935.
Citation: TANG Xuri, CHEN Xiaohe, ZHANG Xueying. Research on Toponym Resolution in Chinese Text[J]. Geomatics and Information Science of Wuhan University, 2010, 35(8): 930-935.
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Research on Toponym Resolution in Chinese Text

  • 1School of Chinese Language and Literature,Nanjing Normal University,122 Ninghai Road,Nanjing 210097,China;(2 Key Laboratory of Virtual Geographical Environment,Ministry of Education,Nanjing Normal University,1 Wenyuan Road,Nanjing 210046,China

Funds: 国家863计划资助项目(2007AA12Z221)；国家自然科学基金资助项目(40971231,60773173)；国家社科基金资助项目(07BYY050)
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  • Received Date: June 14, 2010
  • Revised Date: July 08, 2013
  • Published Date: August 04, 2010
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  • This paper explores approaches for Toponym resolution in Chinese text,and proposes a geo-parsing approach based on conditional random fields and discourse toponym relations,and a geo-coding approach based on partial fuzzy matching and cognitive salience calculation.The proposed geo-parsing approach deals with the recognition of toponym in three major steps.The experiment shows that the key factors that may influence the performance of toponym resolution in Chinese text are the coverage of gazetteer,the performance of geo-parsing and the performance of semantic disambiguation of toponyms.In our experiment,there are about 17% toponyms can not locate their semantics in the gazetteer.Ambiguity in geo-parsing and geo-coding are the next prominent factors that affect the overall performance of toponym resolution.
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