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现代图书情报技术  2016, Vol. 32 Issue (1): 87-96    DOI: 10.11925/infotech.1003-3513.2016.01.13
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中文植物物种多样性描述文本的信息抽取研究*
段宇锋(),黄思思
华东师范大学商学院 上海 200241
Information Extraction from Chinese Plant Species Diversity Description Text
Yufeng Duan(),Sisi Huang
Business School, East China Normal University, Shanghai 200241, China
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摘要 【目的】实现中文植物物种多样性描述文本中信息的抽取。【方法】以中文植物物种多样性本体为支撑, 采取语段、语句、概念逐级筛选和标注的策略, 依据规则抽取描述文本中的信息。【结果】以包含4 734个信息点的样本测试, 信息抽取的准确率、召回率、F值分别为0.86、0.85、0.85。【局限】 针对目前未能准确抽取的表述, 进一步完善规则集。【结论】研究方案能有效地实现中文植物物种多样性描述文本的信息抽取。
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段宇锋
黄思思
关键词 信息抽取植物物种多样性描述文本中文信息处理本体    
Abstract

[Objective] To extract information from Chinese plant species diversity description text. [Methods] Take the plant species diversity domain ontology as the foundation, and adopt the strategy of stepwise selection and annotation on paragraph, sentence and concept. [Results] A sample including 4 734 information points is used to test. The value of extraction accuracy rate, recall rate and F-measure achieves 0.86, 0.85 and 0.85 respectively. [Limitations] In order to solve the problems on extracting information from description text, the rule set should be improved in the future. [Conclusions] The research scheme can fulfill the information extraction from Chinese plant species diversity description text effectively.

Key wordsInformation extraction    Plant species diversity description text    Chinese information processing    Ontology
收稿日期: 2015-09-14     
基金资助:*本文系国家社会科学基金一般项目“基于无监督语义标注的网络中文学术信息抽取研究”(项目编号:11BTQ024)的研究成果之一
引用本文:   
段宇锋,黄思思. 中文植物物种多样性描述文本的信息抽取研究*[J]. 现代图书情报技术, 2016, 32(1): 87-96.
Yufeng Duan,Sisi Huang. Information Extraction from Chinese Plant Species Diversity Description Text. New Technology of Library and Information Service, DOI:10.11925/infotech.1003-3513.2016.01.13.
链接本文:  
http://manu44.magtech.com.cn/Jwk_infotech_wk3/CN/10.11925/infotech.1003-3513.2016.01.13
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