ERIC Number: EJ399432
Record Type: CIJE
Publication Date: 1989
Reference Count: 0
Entry Point Depth and Online Search Using a Controlled Vocabulary.
Boyce, Bert R.; McLain, John P.
Journal of the American Society for Information Science, v40 n4 p273-76 Jul 1989
Discusses previous research that examined the effects of different kinds of vocabulary control on retrieval effectiveness, and describes a study that addressed the effects of indexing depth on standard retrieval evaluation measures in the context of a typical commercial retrieval system. It is concluded that controlled vocabularies affect precision, but not recall. (14 references) (CLB)
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Authoring Institution: N/A