Considers some of the major technical and organizational issues involved in virtual-catalog production, contrasting them with the traditional union catalog approach exemplified by COPAC, an online public-access catalog composed of academic libraries in the United Kingdom. Suggest a method of integrating these two models of the union catalog.…

The University of California Catalog and Periodicals databases each have over 20 separately contributing libraries, and records for the same work can enter the MELVYL system from different campus libraries. MELVYL's goal is to have one union record for each distinct edition of a work. To promote this goal, the University's Division of Library…

This Systems and Procedures Exchange Center (SPEC) kit on retrospective conversion, which replaces a 1975 kit on reclassification, is based on interviews with and documents from Association of Research Libraries (ARL) members participating in retrospective conversion (recon). (Reclassification is almost always conducted as a sub-project of…

This collection of library documents which provide instructions for users of online public access catalogs in member libraries of the Association of Research Libraries (ARL) contains: (1) a set of enhanced instructions for library users of Geac, a commercial online circulation system at the University of Arizona; (2) sets of materials of…

Suggests ways of using computers to access the periodical literature including integrated public access catalogs; natural language display; network access to area union lists; links between indexing and location tools; access to journal content through the online catalog; broadened search capabilities; and remote user access with document…

Reviews the history of the network that supports the MELVYL online union catalog, describes current technological and policy issues, and discusses the role the network plays in integrating local automation, the union catalog, access to resource databases, and other initiatives. Sidebars by Mark Needleman discuss the TCP/IP protocol suite, internet…

When the Higher Education Library Information Network of Rhode Island transferred members' bibliographic data into a shared online public access catalog (OPAC), 10% of the University of Rhode Island's monograph records were missing. This article describes the consortium's attempts to retrieve records from the database and the effectiveness of…

Three reports describe the standards and format to be used when contributing bibliographic records to MELVYL, the University of California (UC) online library catalog. The first report, which was revised and approved in May 1990, defines record format standards, record maintenance information standards, bibliographic fields, local data fields,…

An investigation of books reviewed (1989-95) in Choice Reviews, the CD-ROM version of Choice, determined all titles mentioned (n44,950) were received or purchased by California State University Dominguez Hills and other academic libraries in the Online Union Catalog (OLUC). Findings were further tested to see how they could be incorporated into an…

Developed at the beginning of the decade to serve as a union catalog for identifying the holdings in all University of California (UC) libraries, the MELVYL online catalog as of October 1989 contained 10 million holdings for over 5 million monographic titles of print and nonprint materials, and more than 1.2 million periodicals holdings which…

Description of the planning of a project designed to test the feasibility of distributing a statewide union catalog database on optical disk discusses the relationship of the project's goals to those of statewide library development; dealing with vendors in a volatile, high technology industry; and plans for testing and evaluation. (EM)

Reports on an empirical study of how end-users utilize an online bibliographic information system available on the World Wide Web by analyzing the use of a union catalog of academic libraries in Norway. Discusses how hypertext links affect search behavior and considers individual differences in search behavior and problem solving. Interview…

Describes changes in the interlibrary loan process at Southern Illinois University (Carbondale) that has empowered patrons to directly request materials through a shared online union catalog and circulation system. Staffing issues, patron satisfaction, and turnaround time are discussed. (LRW)

Based on information and documents gathered from 103 Association of Research Libraries (ARL) member libraries via an April 1986 ARL Recon Project questionnaire, and supplemented with additional interviews and materials gathered throughout the year, this publication focuses on retrospective conversion projects designed to support the implementation…

COPAC is a union catalog giving access to the online catalog records of some of the largest academic research libraries in the United Kingdom and Ireland. Discussion includes ways in which duplicate detection and record consolidation procedures are carried out, along with problem areas encountered. (Author/AEF)