| 信息检索的相关性 |
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| 引用本文： | 陆小辉.信息检索的相关性[J].科技广场,2005,21(8):75-77. |
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| 作者姓名： | 陆小辉 |
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| 作者单位： | 江西财经大学图书馆,南昌330013 |
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| 摘 要： | 在传统的信息检索中，我们常用检全率、检准率来评价信息检索系统性能和检索效果.随着信息总量的急剧增加，信息载体形式的不断变化，信息交流速度的日益加快，相关性这一信息检索中的关键性概念日益受到人们的重视.本文分析探讨了信息检索中相关性的概念、构成及评价指标，阐述了提高信息检索相关性的措施。
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| 关 键 词： | 信息检索 相关性 相关度 |
| 文章编号： | 1671-4792-(2005)08-0081-03 |
Relevance for Information Retrieval |
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| Lu Xiaohui.Relevance for Information Retrieval[J].Science Mosaic,2005,21(8):75-77. |
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| Authors: | Lu Xiaohui |
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| Abstract: | Recall and precision are terms traditionally used to evaluate the performance of retrieval system and the effectiveness of retrieval. Relevance, one of the key concepts for information retrieval, is increasingly thought much of, as the rapid increase of information gross, the continuing change of forms of information carrier, and the quicken up of information exchange. In this paper, the concept, components and evaluation of relevance are discussed, measures to improve the relevance for information retrieval are mentioned. |
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| Keywords: | Information Retrieval Relevance Correlation Measure |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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