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。
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.
出处
《科技情报开发与经济》
2008年第32期72-74,共3页
Sci-Tech Information Development & Economy
关键词
科技文献
文献检索
查全率
查准率
sci-tech literature
literature retrieval
recall ratio
precision ratio
