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| Larson, Ray R. | 4 |
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Peer reviewedLarson, Ray R. – Library Quarterly, 1991
Discusses problems with subject searches in online library catalogs and examines theoretical principles for the design of effective information retrieval systems. Probabilistic ranking methods are discussed, and an experimental online catalog called CHESHIRE is described. It is noted that CHESHIRE uses classification clustering, provides natural…
Descriptors: Classification, Information Retrieval, Library Catalogs, Online Catalogs
Peer reviewedLarson, Ray R. – Journal of the American Society for Information Science, 1991
Describes a study that used transaction log analysis to investigate the use of subject searching in the University of California's Online Union Catalog, MELVYL. Mathematical models of trends and patterns in the data are presented, problems with subject searching are explained, and remedies to subject searching problems are suggested. (62…
Descriptors: Academic Libraries, Data Analysis, Higher Education, Library Catalogs
Larson, Ray R.; And Others – Proceedings of the ASIS Annual Meeting, 1995
Describes the system architecture and user evaluation tools for Cheshire II, an online catalog and full-text information retrieval system being developed at the University of California, Berkeley, that uses advanced information retrieval techniques to overcome the problems of topical searching in online catalogs, search failure, and information…
Descriptors: Academic Libraries, Computer System Design, Evaluation Methods, Full Text Databases
Peer reviewedLarson, Ray R. – Journal of the American Society for Information Science, 1992
Discusses subject searching problems in online library catalogs; explains advanced information retrieval (IR) techniques; and describes experiments conducted on a test collection database, CHESHIRE (California Hybrid Extended SMART for Hypertext and Information Retrieval Experimentation), which was created to evaluate IR techniques in online…
Descriptors: Classification, College Libraries, Databases, Evaluation Methods
