| 查全率与命中记录集合之间的关系研究 |
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| 引用本文： | 王敏芳,邓汉成.查全率与命中记录集合之间的关系研究[J].情报学报,2005,24(5):535-539. |
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| 作者姓名： | 王敏芳 邓汉成 |
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| 作者单位： | 南京理工大学信息中心,南京,210094 |
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| 摘 要： | 本文从具体检索实例研究了检索提问的查全率与命中记录集合之间的变化规律。并用集合理论论述了这种变化的理论依据。为进一步研究查全率与查准率的关系提供了必要的条件。
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| 关 键 词： | 信息检索 查全率 查准率 命中记录集合 |
| 修稿时间： | 2004年12月24 |
Study of the Relationship between Recall Ratio and Hit Record Set |
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| Wang Minfang,Deng Hancheng.Study of the Relationship between Recall Ratio and Hit Record Set[J].Journal of the China Society for Scientific andTechnical Information,2005,24(5):535-539. |
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| Authors: | Wang Minfang Deng Hancheng |
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| Abstract: | In this paper,the regularity of hit record set and recall ratio in retrieval queries is studied with a specific retrieval example.The theoretical basis of this change is discussed with the set theory.It provides an essential condition for the research on the relations between recall ratio and precision ratio. |
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| Keywords: | information retrieval recall ratio precision ratio hit record set |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
