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)

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…

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…

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)

Describes OASIS, a prototype adaptive online catalog implemented as a front end to the University of California MELVYL catalog. Topics addressed include the concept of adaptive retrieval systems, strategic search commands, feedback, prototyping using a front-end, the problem of excessive retrieval, commands to limit or increase search results, and…

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…

Describes development of an online catalog for Dartmouth College Libraries by Dartmouth and Bibliographic Retrieval Services (BRS). Highlights include Dartmouth parameters; capability of creating a fully inverted file for entire bibliographic citation provided by BRS software; features of BRS/Dartmouth user interface; telecommunications links; and…

Sketches history, design, and future plans of VUBIS (joint development of VUB--Vrije Universiteit Brussel/Free University of Brussels, and IS--Interactive Systems, Inc.), an online, user-friendly, public access library system for a European academic library. Search capabilities, cataloging subsystem, and software are discussed. Thirteen references…

Discusses the definition of an online library catalog; five factors to be considered by the online catalog designer; user-computer communication (error messages, help screens, prompts, unnatural language); online tutorials and offline instruction offered by bibliographic instruction librarians; and the current situation. Nine references are…

The current attitudes of users and non-users towards public online computer catalogs (OPAC's) were studied at the Library of Congress (LC) and responses were compared with those from an aggregate survey. Attitudes of both users and non-users toward the LC OPAC system were favorable. Problems experienced by patrons related to difficulty in…

This report focuses on a discussion of findings from analyses of computer transaction logs contributed by four of the online catalog systems used in the Public Access Project. It supplements the analyses of User and Non-User Questionnaires by providing analyses of data from the systems themselves. The four systems contributing data to this…

In this fifth course installment, the impact of technological developments on subject access is discussed. Expert opinions concerning trends in online catalogs, information storage, information generation, the user interface, library use of computer technology, subject access to pictorial materials, user friendly access sytems, and quicker access…

Presents preliminary data that characterizes the relationship between what users say they are trying to accomplish when using an online public access catalog (OPAC) and their perceptions of what input to give the system. Human-machine interaction is discussed, and appropriate methods for evaluating information retrieval systems are considered. (18…

Reports on a qualitative study that explored strategies and behaviors of public library users during interaction with an online public access catalog, and users' confidence in finding needed information online. Discusses results of questionnaires, interviews, and observations that examined unknown-item searches, area searches, and known-item…