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Mischo, William H. – 1981
This technical report describes a proposed subject retrieval function for the OCLC Online Union Catalog and examines the inadequacies of Library of Congress Subject Headings (LCSH) for the provision of subject access. The function described uses a non-Boolean search approach over data elements present in the MARC record format. Centered around the…
Descriptors: Computer Oriented Programs, Information Retrieval, Online Systems, Permuted Indexes
Peer reviewedForsyth, D. A. – Library Trends, 1999
Computer vision offers a variety of techniques for searching for pictures in large collections of images. Appearance methods compare images based on the overall content of the image using certain criteria. Finding methods concentrate on matching subparts of images, defined in a variety of ways, in hope of finding particular objects. These ideas…
Descriptors: Access to Information, Computer Oriented Programs, Indexes, Indexing
Peer reviewedRegazzi, John J. – Information Services and Use, 1984
Description of the computerized information system that supports the editorial and manufacturing processes involved in creation of Wilson's subject indexes and catalogs includes the major subsystems--online data entry, batch input processing, validation and release, file generation and database management, online and offline retrieval, publication…
Descriptors: Automation, Computer Oriented Programs, Databases, Indexes
Download full textHazlett, C. B. – 1970
Medsirch (Medical Search) is an information retrieval system designed to aid in preparing examinations for medical students. There are two versions of the system: a sequential access file suitable for shallow indexing with a broad choice of search terms and a random direct access file for deep indexing with a restricted range of choices for search…
Descriptors: Computer Oriented Programs, Computer Programs, Coordinate Indexes, Costs
Peer reviewedStoan, Stephen K. – Academe, 1982
Processes involved in computer searching of information systems are explained, with some caveats for the use of online searching by students and faculty. Among the concerns are overestimates of the efficacy of searching, inconsistency in search services and strategies, and other potential problems of search results' relevance. (MSE)
Descriptors: College Faculty, College Students, Computer Oriented Programs, Costs
Wilman, H.; Hall, Angela M. – 1973
A series of five runs comprised of 20 searches each were carried out in a three-year span of the INSPEC data base. The same queries were processed manually in the corresponding volumes of Science Abstracts, and comparison of the output of each search method exposed reasons for the failures. Emphasis is laid on the fact that a query comprises other…
Descriptors: Abstracts, Bibliographic Coupling, Citations (References), Computer Oriented Programs
