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现代图书情报技术  2016, Vol. 32 Issue (7-8): 87-93     https://doi.org/10.11925/infotech.1003-3513.2016.07.11
  本期目录 | 过刊浏览 | 高级检索 |
主题标引文献的语义关系发现研究*
李晓瑛(),夏光辉,李丹亚
中国医学科学院医学信息研究所 北京 100020
Finding Semantic Relations Among Subject Indexed Papers
Li Xiaoying(),Xia Guanghui,Li Danya
Institute of Medical Information, Chinese Academy of Medical Sciences, Beijing 100020, China
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摘要 

目的】利用文献的主题标引结果, 发现其中隐含的重要语义关系。【方法】基于MEDLINE数据库中的生物医学主题标引文献, 提出一种语义关系发现算法, 涉及主题词组配原则、主题标引规则以及基于加权标引词和关系出现频次的优化方法等多个环节。【结果】收集疾病与症状方面的实验数据对算法进行实验验证, 并结合领域专家审核, 结果表明本文所发现语义关系的准确率可达到95%以上。【局限】本文所研究的语义关系发现算法仅适用于具有主题标引结果的文献。【结论】从大规模生物医学主题标引文献中发现中英文两种语言的语义关系是有效可行的, 对其他领域语义关系的发现具有极高的借鉴意义。

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李晓瑛
夏光辉
李丹亚
关键词 语义关系发现标引文献组配原则阈值    
Abstract

[Objective] This paper tries to identify important and implicit semantic relations among the subject indexed papers. [Methods] Based on the subject indexed biomedical papers from MEDLINE, we proposed an algorithm consisting of subjects coordinating and indexing rules, as well as optimization rules for weighted indexing results and relation occurrences. The new algorithm was then examined with experimental disease data. [Results] With the help of domain experts’ verification, the precision of the new algorithm was higher than 95%. [Limitations] The proposed method was only appropriate for papers with subject indexing. [Conclusions] The proposed algorithm can be used to identify semantic relations among English and Chinese subjects indexed biomedical papers, and help us develop algorithms in other areas.

Key wordsFinding semantic relations    Indexed papers    Coordinating rules    Threshold
收稿日期: 2016-03-09      出版日期: 2016-09-29
基金资助:*本文系国家社会科学基金项目“基于复杂网络的公众健康知识网络构建研究”(项目编号:15CTQ020)和中央级公益性科研院所基本科研业务费项目“生物医学术语服务系统建设关键问题研究”(项目编号: 15R0109)的研究成果之一
引用本文:   
李晓瑛,夏光辉,李丹亚. 主题标引文献的语义关系发现研究*[J]. 现代图书情报技术, 2016, 32(7-8): 87-93.
Li Xiaoying,Xia Guanghui,Li Danya. Finding Semantic Relations Among Subject Indexed Papers. New Technology of Library and Information Service, 2016, 32(7-8): 87-93.
链接本文:  
https://manu44.magtech.com.cn/Jwk_infotech_wk3/CN/10.11925/infotech.1003-3513.2016.07.11      或      https://manu44.magtech.com.cn/Jwk_infotech_wk3/CN/Y2016/V32/I7-8/87
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