| 科技查新中提高查全率的方法探析 |
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| 引用本文： | 马建春. 科技查新中提高查全率的方法探析[J]. 科技情报开发与经济, 2010, 20(29): 132-134 |
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| 作者姓名： | 马建春 |
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| 作者单位： | 山东大学南校区图书馆,山东济南250061 |
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| 摘 要： | 分析了科技查新中影响查全率的一些常见因素,从检索途径、检索策略和数据库选择等角度出发,探讨了提高查全率的方法。
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| 关 键 词： | 科技查新 查全率 检索途径 检索策略 数据库 |
Probe into the Methods for Improving the Recall Ratio in Sci-tech Novelty Retrieval |
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| MA Jian-chun. Probe into the Methods for Improving the Recall Ratio in Sci-tech Novelty Retrieval[J]. Sci-Tech Information Development & Economy, 2010, 20(29): 132-134 |
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| Authors: | MA Jian-chun |
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| Affiliation: | MA Jian-chun |
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| Abstract: | This paper analyzes some common factors that influence the recall ratio in sci-tech novelty retrieval,and discusses the methods for improving the recall ratio from the retrieval approach,retrieval strategy,and the selection of database,etc. |
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| Keywords: | Sci-tech novelty retrieval recall ratio retrieval approach retrieval strategy database |
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