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)

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…

Briefly reviews history of library automation before discussing factors that libraries should consider before choosing to go online (collection size, machine-readable database, computer equipment, costs), and features of online catalogs (database organization, search features, authority files, display options). Information about selected online…

The National Library of Medicine's Current Information Transfer in English public access online catalog offers unique subject search capabilities--natural-language query input, automatic medical subject headings display, closest match search strategy, ranked document output, dynamic end user feedback for search refinement. References, description…

Describes the design and development of the Mercury Electronic Library Project at Carnegie Mellon University that resulted in a library information system that provides access to the library's online catalog as well as to other databases. The distributed architecture of the system is explained, and future plans are discussed. (two references) (LRW)

Discusses several concerns about nature of online public access catalogs (OPAC) that have particular import to reference librarians: user passivity and loss of control growing out of "human-machine interface" and the larger social context; and the tendency of computerized bibliographic systems to obfuscate human origins of library…

Seven articles present history and overview of an academic online catalog. Highlights include linking of the library circulation system with the full bibliographic record system; planning and maintenance of an online catalog; effect of the online catalog on reference (uses, services, personnel); and a microcomputer-based user interface. References…