摘要
目前不少国内外专家都在研究兔毛产品的掉毛机理及解决办法。我校承担了“防掉毛兔毛纱研究”的课题。笔者作为课题组的一员，主要负责该项目的“立项查新、跟踪检索及协助起草查新检索报告书”这一定题服务工作。在此笔者对定题服务的检索实施和对机、手检比较分析作一叙...
An example is given in which manual retrieval is combined with online retrieval to provide a SDI service.Comparisons are made between the two retrieval methods,and it's suggested that they should be used simultaneously in order to improve the retrieval effectiveness.
出处
《情报理论与实践》
CSSCI
北大核心
1998年第5期283-284,311,共3页
Information Studies:Theory & Application
关键词
定题服务
检索
手工检索
跟踪检索
SDI\ Manual retrieval\ Online retrieval\ Retrieval effectiveness\ Comparative study
