Presents a model that calculates the conditions under which a library may adopt a highly service-oriented online catalog access policy at minimum additional cost. The use of arrival rates, service rates, and queueing calculations to arrive at a cost-effective policy is explained. (Author/CLB)

Describes the planning, development, implementation and impact of online information systems at three academic libraries. Some of the issues discussed include the campus computing environments, factors affecting the selection of databases and search systems, the impact of the system on library staff and users, and future considerations. (CLB)

Describes a survey of reference librarians in libraries with online public access catalogs that was conducted to determine what types of searches patrons would use to look for names of fictional characters. Name, subject, and author indexes are discussed, and implications for cataloging using the MARC format are suggested. (10 references) (LRW)

Offers a model for choosing among CD-ROM, end user access, mediated online searching, or locally mounted files as alternatives for extending online catalogs and replacing printed indexes. Estimates of demand and comparisons of costs made at Trinity and Clemson Universities provide a quantitative framework for selection. (Contains four references.)…

The six articles comprising this special section on MELVYL, the University of California automated library system, discuss plans for the future, general recommendations for online catalog design, evaluation methods, evolution of computing resources, impact on the work of librarians, and academic goals and benefits. A chronology of MELVYL…