Describes a study that examined the occurrence of untraced references in general explanatory see references, see also references, and scope notes in the machine readable Library of Congress Subject Headings. The discussion covers the effort required to review these fields, delete unposted references and tracings, and substitute posted ones in…

The Subject Access Research Project was initiated by OCLC in August 1979 to study the process of subject searching in the library catalog, with the objective of identifying features for an automated subject retrieval system which would support the present search tactics employed by library users performing manual subject searches at the library…

As part of a project which evaluated online public access catalogs (OPAC's) through analyses of library patrons' needs and perceptions, self-administered questionnaires were completed by library patrons who were OPAC users and non-users at nine academic and public libraries. Focus group interviews were conducted with OPAC users and non-users, as…

This review of the transition from library card catalogs to online public access catalogs (OPAC) (1981-1982) discusses methods employed by online catalog use studies (self-administered questionnaires, OPAC transaction logs, focused-group interviews, feature analysis, online search and retrieval experiments) and new directions for OPAC research…

Presents overview of library classification and automation (1940-84), including use of Dewey Decimal and Library of Congress classification in online cataloging systems. Highlights include classification number access in existing online catalogs, functions of classification records, specifications for authority file records, and the nature of…