Describes a survey that examined ways in which users interacted with the authority control of online catalogs developed commercially and locally. The two types of system are compared in terms of displayed messages related to authority control and system capabilities to aid users in understanding the relationships between headings. (CLB)

Presents the evolution of subject access to works about individual corporate bodies in Anglo-American subject cataloging practice. Comparison is made to works of individual biography, the lack of comparable subject access is explored, and recommendations are made to restore parity by using syndetic reference structure through automated maintenance…

Investigation of retrieval performance of controlled vocabulary derived from natural language terms in tables of contents and book indexes assumed that controlled vocabulary representative of users' queries should adequately represent documents' contents. Queries were indexed using Library of Congress Subject Headings (LSCH), Dewey Decimal…

Discusses the difference in subject access in OPACs (online public access catalogs) between subject searching (authority, alphabetic, or controlled vocabulary) versus keyword searching (uncontrolled, free text, natural language vocabulary). Compares a query on the term "garbage" in two online catalogs and discusses results. (Author/LRW)

Discusses expectations that weaknesses within the system of Library of Congress Subject Headings (LCSH) will be bypassed by other subject access routes available on online catalogs, and compares the performance of LCSH to title field subject access. Observed patterns of LCSH functions are discussed and conclusions about search strategy are…

This study compared the levels and types of errors found in an existing card catalog and a newly created online catalog. It was found that the online catalog was more accurate and presented fewer problems for users. The implications for retrospective conversion and nonconverted records are discussed. (eight references) (CLB)

This study was conducted to compare the effectiveness of keyword searching in an online catalog to traditional subject searching in one special collection of vocational rehabilitation materials. Subject area specialists assessed the contents of books using their terminology, and compared the results to MARC records. It was found that slightly…

Describes a study at the City University (London) that was conducted to evaluate the impact of an online catalog on subject searching behavior. Methods of using the catalog and browsing at the shelves are examined, and results are compared with an earlier study of subject searching with a manual PRECIS index. (25 references) (LRW)

Describes a study that compared figures derived from a questionnaire-based, book availability survey and from computer records of the use of the library's catalog. Although differences emerged, it was concluded that the computer monitoring technique could act as a surrogate for availability surveys. (AEF)

An analysis of 205 records in the OCLC Online Union Catalog (OLUC) found considerable duplication among subject access points provided by title, subject heading, and classification number fields. On average, only 4.12 unique access points were found per record. The results suggest that online catalogs might outperform card catalogs more in…

Researchers studying subject searching distributed an online questionnaire to users who access the University of California's online public access catalog, MELVYL, from public access terminals in the libraries of the University of California at Santa Cruz. This article discusses the results of transaction log analysis, comparison of in-library and…

To compare the value of subject descriptors and title keywords as entries to subject searches, two studies were conducted, both concentrating on monographs in the humanities and social sciences held by online public access catalog of the National Library of the Netherlands. (Author/AEF)

Describes a project intended to improve subject access in an online catalog by adding multiword terms from the table of contents and index to MARC records for each book. The discussion covers a preliminary evaluation of the impact on workload, resources, and subject access to information. (seven references) (Author/CLB)

Expected Library of Congress Subject Headings (LCSHs) and assigned LCSHs for 161 books requested by faculty in sociology, anthropology, and social work were compared to gauge the likely success of an online subject catalog search for those works. For 80% of the titles checked, inspection of the ninth edition of "Library of Congress Subject…

Compares traditional cataloging to Web-based. Discusses intellectual-access issues as they apply to reference services today, and outlines deficiencies in traditional cataloging, and corresponding attributes of Web-based intellectual access. Notes ways that catalogers and public-service librarians can address these issues. (Author/AEF)