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一种基于语义相关度的XML关键字查询排序方法 被引量：2

XML Keyword Query Ranking Method Using Semantic Relevancy
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摘要 针对XML文档半结构化的特点及传统tf-idf方法仅考虑关键字在文档中出现的频率,而未考虑XML文档中节点的语义信息问题,利用向量空间模型,设计一种基于XML关键字查询结果的相关度排序策略.相关度计算充分考虑XML文档中各节点对文档的区分程度、节点描述文档的明确程度及节点描述文档的直接程度,以提高节点权重度量的准确性,从而将最相关的信息提供给用户,经DBLP数据集实验验证了该方法的有效性. Aiming at the semi-structured characteristics of XML document and the traditional tf-idf method only considering the frequency of keyword in the document,not considering the lack of semantic information of the nodes in the XML document,we designed the relevance ranking strategies that were designed based on XML keyword searching results via the vector space model.To improve the accuracy of the measure of the node weights,correlation calculation fully considers the distinctive degree of the nodes in the XML document,the clear and direct degree of nodes describing the document so as to provide the most relevant information to users.Experimental results show that the proposed method is effective.
作者 李瑞霞 苏守宝 周先存
机构地区 皖西学院信息工程学院
出处 《吉林大学学报（理学版）》 CAS CSCD 北大核心 2013年第6期1118-1122,共5页 Journal of Jilin University:Science Edition
基金 国家自然科学基金(批准号:61075049) 安徽省高校优秀青年人才基金(批准号:2012SQRL194) 安徽省高校自然科学研究项目(批准号:KJ2012Z428)
关键词 XML查询 语义 相关度 排序 XML query semantics correlation ranking
分类号 TP301 [自动化与计算机技术—计算机系统结构]
  • 相关文献

参考文献14

  • 1XU Yu, Papakon Y. Efficient Keyword Search for Smallest LCAs in XML Data Bases EC3//Proceedings of the ACM SIGMOD International Conference on Management of Data. New York: ACM Press, 2005: 537-538.
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二级参考文献59

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共引文献9

同被引文献21

  • 1杨喜权,韩正服,石丹,丛荣华.基于VoiceXML的语音信息发布模式[J].吉林大学学报（理学版）,2006,44(6):935-938. 被引量：1
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  • 4Xu Y,Papakonstantinou Y.Efficient keyword search for smallest LCAs in XML databases[C]//Proceedings of the ACM SIGMOD International Conference on Management of Data(SIGMOD),Baltimore,June 13-16,2005,ACM Press,2005.
  • 5Sun C,Chan C Y,Goenka A K.Multiway SLCA-based keyword search in XML data[C]//Williamson C L eds:Proceedings of the 16th International Conference on World Wide Web(WWW),Banff,May 8-12,2007,ACM Press,2007.
  • 6Liu Z,Chen Y.Identifying meaningful return information for XML keyword search[C]//Proceedings of the ACM SIGMOD International Conference on Management of Data(SIGMOD),Beijing,June 11-14,2007,ACM Press,2007.
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  • 9Guo L,Shao F,Botev C,et al.XRANK:Ranked keyword search over XML documents[C]//Proceedings of the 2003 ACM SIGMOD Conference on Management of Data,California,June 9-12,2003,ACM Press,2003.
  • 10Cohen S,Mamou J,Kanza Y Sagiv.XSEarch:A semantic search engine for XML[C]//Proceedings of the 29th International Conference on Very Large Data Bases(VLDB),Berlin,September 9-12,2003,Morgan Kaufmann Press,2003.

引证文献2

二级引证文献1

吉林大学学报（理学版）
2013年 第6期

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