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| Library Hi Tech | 3 |
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| Journal Articles | 3 |
| Opinion Papers | 2 |
| Reports - Research | 2 |
| Reports - Descriptive | 1 |
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Peer reviewedDrabenstott, Karen Markey; Vizine-Goetz, Diane – Library Hi Tech, 1990
Discusses topics related to use of search trees to enhance subject searching in online catalogs: subject searching in existing systems; search trees defined; highlights of a study of subject queries; normalized subject headings; the exact approach to subject searching; one-word queries; multiword queries; queries failing to produce retrievals; and…
Descriptors: Academic Libraries, Computer Software, Higher Education, Indexing
Peer reviewedDrabenstott, Karen M. – Library Hi Tech, 1996
A study was conducted that used transaction logs to identify the characteristics of the most complex or problematic user queries. Enhancements are recommended in the design of online catalogs that use search trees to control system responses and to determine appropriate subject-searching terminology and technique. Contains 21 references and 12…
Descriptors: Access to Information, Computer System Design, Library Catalogs, Online Catalogs
Peer reviewedMicco, Mary; Popp, Rich – Library Hi Tech, 1994
Discussion of precision in information retrieval highlights a prototype online catalog, ILSA (Improving Library Subject Access), developed at Indiana University of Pennsylvania that uses subject clusters and classification. Topics addressed include problems with keyword searching, controlled vocabulary, and thesauri; natural language mapping…
Descriptors: Bibliographic Records, Classification, College Libraries, Dewey Decimal Classification
