This essay suggests that until online public access catalogs can be truly user-friendly by encouraging searchers to learn and control and relearn, making systems too easy is not in the users' or systems' best interests. Experiences at Library of Congress and examples of search strategies and menu systems are noted. (EJS)

Distinguishes between two basic types of interaction with online cataloging systems: preparation of bibliographic record offline by cataloger followed by online entry by clerk and interactive consultation by cataloger of online catalog while entering records. The Dobis/Libis system, authority files, code tables, command chaining, multidimensional…

This review of the research on subject access to library collections focuses on the problems of and prospects for improved online subject access to library collections. Summaries of the general findings of studies on library catalog use and catalog users and some reasons for the frequent failure of subject searches in library catalogs are followed…

The online catalog discussed in this report extends the present microfiche union catalog development by providing online access to bibliographic records for the holdings of the University of California Libraries. The specifications for the user interface through which the library patron communicates with the online systems to locate materials are…

Describes the features and operations of a user-searchable online catalog called PaperChase which was developed and implemented for the retrieval of medical literature by physicians at Beth Israel Hospital in Boston. Interaction with the system and use of the catalog during its first year of operation are discussed. (JL)

Discusses ability of small computers to hold interface programs, to retrieve data from central source, to manipulate and present that data, and to engage in dialog with system user. An example of a feasible dialog between user and system which mediates and translates user's data into machine terms is highlighted. (EJS)

Explains rationale behind proposed voluntary U.S. standard computerized library catalog called the "Uniform Catalog." Design goals (should mimic manual card catalog, offer simplicity of operation and low overhead, permit modular growth to more advanced catalog), sample search, and nine commands and functions used by "Uniform…

Describes the scope, objectives, and status of a study of user responses to public online catalogs conducted in 1982 with Council on Library Resources (CLR) funding. The framework for evaluating the user-catalog interface, data collection, and questionnaire content are discussed, and a copy of the survey questionnaire is appended. (Author/JL)

Looks at the social and psychological effects on users of the introduction of online catalogs in libraries, examines several major changes in public and professional use of the catalog that result from online systems, and examines some of the unintended social effects of each of these changes. Three references are listed. (EJS)

The current status of MELVYL, the University of California's prototype online catalog, is described in a hypothetical conversation between the catalog and several users. Examples illustrate features of the two search modes available for this patron-accessed system: COMMAND for the novice, and the more sophisticated LOOKUP. (RBF)

Discusses and compares some online catalog systems actually in operation in terms of self-service usability; number, choice, and formulation of access points; record content and display; database content; connections to technical processing and circulation; number and location of terminals; equipment and software features; and cost. (Six…

Results from one of a series of cooperative projects to study public access to online catalogs are discussed. This report focuses on a survey of 1,152 users and 1,315 non-users of six computer systems at seven libraries, with library participants including (1) Claremont Colleges Library, which uses the Claremont Total Library System; (2) the…

This essay focuses on use of the Library of Congress Subject Headings system in online catalogs for the retrieval of information by subject. Among the topics addressed are differences among catalog forms (card, microform, and computer); user interface with different forms of catalog; the types of subject indexes employed in present online…

This essay offers suggestions to make online public access catalogs (OPACs) less idiosyncratic and more usable. Discussion covers qualitative difference between online catalog and predecessors, challenge of debunking assumptions, skills for success, maintaining an instructional perspective, catalog development for the people by the people, and the…

Command-driven searches would be facilitated, as users move from system to system, if a common command language were used. Proposed standards for a "Common Command Language for Online, Interactive Information Retrieval" have been developed by National Information Standards Organization (NISO) Committee G, and are now being reviewed for…