| 基于分类标注语料库的关键词标引知识自动获取 |
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| 引用本文： | 刘华.基于分类标注语料库的关键词标引知识自动获取[J].图书情报工作,2007,51(7):41-43. |
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| 作者姓名： | 刘华 |
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| 作者单位： | 暨南大学华文学院；海外华语研究中心 |
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| 摘 要： | 基于大规模层级分类语料库，抽取网页上专家已经标引的关键词形成关键词表;针对关键词的领域不均匀性和邻界域两个特征，提出并模拟计算了关键词表征文本主题特征程度的主题度。以关键词及其主题度为领域知识，结合统计方法，完成了一个知识与统计相结合的关键词自动标引系统。
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| 关 键 词： | 关键词标引 分类语料库 主题度 |
| 收稿时间： | 2006-06-11 |
| 修稿时间： | 2006-06-102006-12-18 |
Knowledge Repository Acquire for Keywords Auto-Indexing System Based on Labeled and Classed Corpus |
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| Liu Hua.Knowledge Repository Acquire for Keywords Auto-Indexing System Based on Labeled and Classed Corpus[J].Library and Information Service,2007,51(7):41-43. |
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| Authors: | Liu Hua |
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| Abstract: | From a classed large-scale corpus, extracts keywords labeled on web pages by indexing specialist and formed a keywords list; Referring to the two characteristics of keywords: fields non-even and exists range edge, brought up and calculated the words' subject degree by statistical model. Subject degree expresses text content' s subject concept. Based on subject degree, constructed a key words auto-indexing system. |
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| Keywords: | keywords indexing classed corpus subject degree |
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