| 提高科技文献查全率的几项措施 |
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| 引用本文： | 曹欢增.提高科技文献查全率的几项措施[J].科技情报开发与经济,2008,18(32):72-74. |
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| 作者姓名： | 曹欢增 |
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| 作者单位： | 天津科技大学图书馆,天津,300457 |
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| 摘 要： | 介绍了几种提高文献信息查全率的有效措施，包括深入分析研究检索课题、准确全面选择文献数据库、正确恰当使用检索标志与合理运用检索技术。
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| 关 键 词： | 科技文献 文献检索 查全率 查准率 |
Some Measures for Increasing the Recall Ratio of Sci-tech Literatures |
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| CAO Huan-zeng.Some Measures for Increasing the Recall Ratio of Sci-tech Literatures[J].Sci-Tech Information Development & Economy,2008,18(32):72-74. |
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| Authors: | CAO Huan-zeng |
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| Institution: | CAO Huan-zeng |
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| Abstract: | This paper introduces several effective measures for increasing the recall ratio of sci-tech literatures,such as making deep analytical research on the retrieval subject,selecting the literature databases correctly and thoroughly,and making proper use of retrieval marks and rational use of retrieval technologies. |
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| Keywords: | sci-tech literature literature retrieval recall ratio precision ratio |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
