摘要
对查全率、查准率及引得深度等概念的商榷●尹舒力(机械部科技信息院系统处北京100037)AbstractIntermsofthepracticalfunctionsofrecalratioandpertinencyratio,thispa-perpr...
In terms of the practical functions of recall ratio and pertinency ratio, this paper presents some views different from traditional concepts. It holds, after demonstrations, that recall ratio and pertinency ratio are not suitable to be used as evaluation indices for retrieval system. It also presents the concept of subject depth to strengthen the guiding of indexing work.
出处
《情报理论与实践》
CSSCI
北大核心
1996年第6期32-34,共3页
Information Studies:Theory & Application