| 科技文献全文主题识别方法实证研究 |
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| 引用本文： | 叶春蕾,冷伏海.科技文献全文主题识别方法实证研究[J].现代图书情报技术,2012(1):53-57. |
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| 作者姓名： | 叶春蕾 冷伏海 |
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| 作者单位： | 中国科学院国家科学图书馆;中国科学院研究生院;北京城市学院信息学部 |
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| 摘 要： | 利用基于多词短语词频分析和短语邻近分析的DT方法,结合学科领域术语识别内容,对美国国家航空航天局2011-2020年战略规划做全文主题识别。实验证明,改进的DT方法可以有效地识别全文文献主题,一定程度上能够简化情报研究人员的工作。
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| 关 键 词： | 共词分析 主题识别 DT 术语识别 |
Theme Identification Empirical Study on Technical Documentation in Full-text |
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| Ye Chunlei,Leng Fuhai.Theme Identification Empirical Study on Technical Documentation in Full-text[J].New Technology of Library and Information Service,2012(1):53-57. |
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| Authors: | Ye Chunlei Leng Fuhai |
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| Institution: | 1(National Science Library,Chinese Academy of Sciences,Beijing 100190,China) 2(Graduate University of Chinese Academy of Sciences,Beijing 100049,China) 3(Information Department,Beijing City University,Beijing 100094,China) |
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| Abstract: | This paper proposes an improved DT method to identify the theme of the NASA 2011-2020 strategic plan based on multi-word phrases frequency analysis and phrases proximity analysis,adding the term identification of subject.Experiment proves that the improved DT method can identify the theme of documentation in full-text effectively and simply the work of intelligences to some extent. |
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| Keywords: | Co-word analysis Theme identification DT Term identification |
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