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)

Describes the results of surveys that examined how academic libraries are employing authority control, the impact of AACR2 and online catalogs on the need for authority control, and the effect of OCLC cataloging on a university library catalog established without authority control for corporate or personal names. (62 references) (Author/CLB)

Describes a study which examined (1) the percentage of personal and corporate name authority records in the Library of Congress authority file that do not contain any references, and (2) the percentage of references present on existing authority records that are not needed in an automatic right hand truncation, keyword searching environment. (CLB)

A study was conducted at Texas A&M University that compared the intactness (i.e., the presence or absence of a bibliographic record) and the accuracy of the bibliographic data in the public card catalog and in the online catalog (ALIS II). Results indicate the online catalog was less intact, but more accurate. (two references) (LRW)

Discusses results of a survey of music technical services librarians that investigated retrieval problems with the symbols for sharp and flat in music notation in online catalogs. Comparisons are made with an earlier study of online catalog vendors, and a list of institutions surveyed and the questionnaire used are appended. (LRW)

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…

Describes a study conducted at the University of Nebraska-Lincoln library that investigated the impact of automated display on catalog records by comparing the card and online versions of records created according to ISBD (International Standard Bibliographic Description) conventions. The development of a new cataloging code is recommended.…

Reports the design, methodology, and results of a research project which examined the effectiveness of bibliographic displays produced by online catalogs. A means of testing displays against several hundred thousand records at a reasonable cost and using that to test several display possibilities is described. (CLB)

Proposes a rationale to be used in comparing and evaluating alternative library computer catalogs, based on varieties of bibliographic data processed, kinds of indexes constructed, and desired search strategies. A glossary of terms related to computerized catalogs is appended. (Author/CLB)

Describes PACE (Public Access Catalogue Extension), an alternative interface designed to enhance online catalogs by simulating images of books and library shelves to help users browse through the catalog. Results of a test in a college library against a text-based online public access catalog, including student attitudes, are described.…

Describes an evaluation of variability in the percentage of subject searching in an online catalog among branch libraries of one university. The results reported include variability by time of day, day of week, and week of semester. The value of this type of information for library administration is discussed. (CLB)

Offers a model for choosing among CD-ROM, end user access, mediated online searching, or locally mounted files as alternatives for extending online catalogs and replacing printed indexes. Estimates of demand and comparisons of costs made at Trinity and Clemson Universities provide a quantitative framework for selection. (Contains four references.)…

Three user interfaces to LIBIS, a library catalog accessible through the Internet, were evaluated for use by people who are motor impaired to identify how interface design influences the motor actions necessary to operate the system. Problems and recommendations related to simplicity, consistency, instinctiveness, interaction/feedback, and…

Full displays of bibliographic records for 5 monographs were analyzed in 36 library online catalogs and compared with International Standard Bibliographic Description (ISBD) and traditional catalog-card displays. Sampled characteristics included completeness, visual layout, data sequence, label specificity, and integration of description and…

Evaluation of data from assessments of full bibliographic displays in academic library OPACs (online public access catalogs) and World Wide Web catalogs against a checklist of desirable features found that OPAC displays scored 58% and Web displays scored 60%. Discusses weaknesses, focusing on those found in the majority of the displays…