Describes the Library of Congress online catalog, which is now available on the World Wide Web. Highlights include the LOCIS (Library of Congress Information System) database; Telnet access; the Web gateway to book and name authority files; an experimental catalog with a user-friendly interface; and examples of computer screens. (LRW)

Thirty-one public library users were observed searching the Web and/or a Web-based on-line catalog. Four user categories were identified, distinguished by number of search approaches employed. Results indicate experience and motivation, elements of situational goals and mental models, work in tandem to determine search approaches, Web sites…

Describes the development of a Web-based union catalog for the New England Law Library Consortium (NELLCO) called DOM (Dom's Online Catalogs). Discusses early use of CD-ROMs; problems with using MARC records; search strategies; code samples; response time; and cost effectiveness. (LRW)

Presents a methodology for analyzing patterns of usage of a Web-based library catalog and evaluates the methodology with data collected from the transaction logs of the Web interface version of the University of California's Melvyl Systemwide Library Catalog. Results revealed major differences in usage (number of searches, search time, number of…

Describes the Library of Congress's Experimental Search System (ESS), a Web-based online public access catalog that introduced new search methods to replace Boolean searching as well as powerful navigational aids for browsing and cross-linking. Discusses problems, ESS user comments, acceptance by Library of Congress staff, and future…

Proposes an operational definition of relevance for a Web-based library catalog. Proposes measures that characterize user behavior while searching a Web-based library catalog. Develops a methodology to predict when a user's search will be perceived to be relevant by the user. Tests the methodology with over 900,000 user search sessions with the…

This paper describes the IFLA (International Federation of Library Associations and Institutions) guidelines for librarians charged with customizing OPAC (online public access catalog) software and vendors and producers of this software. The guidelines are intended to apply to all types of catalog, including World Wide Web-based catalogs, GUI…

Describes the State of Iowa Libraries Online project (SILO) which was developed to demonstrate new information technologies available to libraries. Focuses on two interlinked components of the project: Web-based union catalog development and statewide deployment of the ANS/NISO Z39.50 information retrieval standard. Includes recommendations for…

E-Referencer is an expert intermediary system for searching library online public access catalogs (OPACs) on the World Wide Web. It is implemented as a proxy server that mediates the interaction between the user and Boolean OPACs. It transforms a Boolean OPAC into a retrieval system with many of the search capabilities of Web search engines.…

Discussion of Web-based online public access catalogs (OPACs) focuses on a review of six Web OPAC interfaces in use in academic libraries in the United Kingdom. Presents a checklist and guidelines of important features and functions that are currently available, including search strategies, access points, display, links, and layout. (Author/LRW)

This report presents the following five instructional objectives tailored to meet the goal of preparing Adelphi University (New York) freshman to become independent learners and information literate: (1) students will be introduced to the services and resources of the university libraries; (2) students will understand the role of the librarian as…

The Internet is a network of networks which continually accumulates and amasses information, much of which is without organization and evaluation. This study addresses the need for establishing a database of Uniform Resource Locators (URLs), and for collecting, organizing, indexing, and publishing catalogs of URLs. Librarians and information…

In addition to covering the enduring elements of traditional research on criminal justice, this new edition provides full coverage on research using the World Wide Web, hypertext documents, computer indexes, and other online resources. It gives an in-depth explanation of such concepts as databases, networks, and full text, and covers the Internet…