| 基于论文主题词和关键词关系网的检索词扩展研究 |
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| 引用本文： | 黄嫒.基于论文主题词和关键词关系网的检索词扩展研究[J].科技广场,2011(1). |
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| 作者姓名： | 黄嫒 |
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| 作者单位： | 江西省人民医院,江西,南昌 |
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| 摘 要： | 检索词扩展是提高信息检索效率的重要方法,扩展的方式分为相似词扩展与相关词扩展。关键词和主题词是文献主要内容的概括,它们间存在相似关系与共现关系,利用这些关系构建关键词相似表、关键词相关表、关-主转换表与主题词共现表,这四个构成词间关系网,由这个关系网实现检索词的各种扩展方式。本文通过理论与实例的方式对关系网的建立与应用进行描述。
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| 关 键 词： | 检索词扩展 关键词 主题词 关系网 |
Research of Retrieval Word Extending Base on the Relation-Nets of Keywords and Subject Words |
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| Huang Yuan.Research of Retrieval Word Extending Base on the Relation-Nets of Keywords and Subject Words[J].Science Mosaic,2011(1). |
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| Authors: | Huang Yuan |
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| Abstract: | Retrieval word extending, a major approach to improve the efficiency of retrieve information, can be divided to two modes: similar extending and interrelated extending. Similar and interrelated relations exist inand subject words which summarizes the main ideas in the literature. The relation-nets, with which retrieval word extending can be realization, includes the similar keywords table, the interrelated keywords table, the keyword and subject word table and the subject word table. The paper discusses the... |
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| Keywords: | Retrieval Word Extending Keywords Subject Words Relation-nets |
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