Describes a study of the UCLA ORION online catalog that was conducted to determine (1) how often lengthy subject headings occur in the database, and what the effects of compressing the subject headings would be; and (2) how often the display of a term and its subdivisions are interrupted by syntactical construction. (seven references) (LRW)

Examines the potential application of the American National Standards Institute (ANSI)/National Information Standards Organization (NISO) Z39.50 library networking protocol as a client/server environment for a scholar's workstation. Computer networking models are described, and linking the workstation to an online public access catalog (OPAC) is…

Describes the planning, development, implementation and impact of online information systems at three academic libraries. Some of the issues discussed include the campus computing environments, factors affecting the selection of databases and search systems, the impact of the system on library staff and users, and future considerations. (CLB)

Discussion of online authority control in library catalogs highlights a system for shared authority work among libraries participating in the Illinois statewide online union catalog, ILLINET Online. Topics discussed include the design of the ILLINET Online database; staff training procedures; documentation in the form of manuals; communication;…

Describes new technology that adapts online catalogs into large-print, speaking catalogs and discusses a step-by-step approach for implementing the technology in public and academic libraries. Suggestions on developing a work team, descriptions of the technology and its installation, and approaches to teaching and assisting visually impaired…

Analyzes the change that Internet-based OPACs (Online Public Access Catalogs) have represented to the structure, administration, and maintenance of the catalogs, retrieval systems, and user interfaces. Examines the structure of databases and traditional principles that have governed systems development. Discusses repercussions of the application…

Describes an analysis of transaction logs of the online catalog at the University of Missouri-Kansas City that examined patron use of both controlled and uncontrolled vocabulary subject access during the same search session. Hypotheses tested are discussed, and recommendations are made for library instruction and online catalog design. (six…

This article studies the performance of online catalog user queries involving personal names and recommends system improvements based on the results. It examines various personal name queries, the construction of bibliographic data, and subject headings. Testing done on an experimental online catalog found search tree designs to reduce system…

The six articles comprising this special section on MELVYL, the University of California automated library system, discuss plans for the future, general recommendations for online catalog design, evaluation methods, evolution of computing resources, impact on the work of librarians, and academic goals and benefits. A chronology of MELVYL…

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…