A cost analysis of 411 on-line bibliographic search requests was conducted. The average cost was $28.41 exclusive of telephone line charges. (Author)

The DIALIB project involved an experiment in providing on-line services in four public libraries. Based on three years of experience, in which services were offered both in a free and fee-based environment, nine requirements for online searching are delineated, and guidelines formulated for public libraries contemplating such services. (Author/JPF)

Evaluation results are described for the DIALIB project, a three year experiment of on-line bibliographic search services in four public libraries. Findings include users of the system and their characteristics; use of data bases; librarian reactions; and time and cost of on-line searching, both in a free and fee-based environment. (Author/JPF)

This exploratory investigation of the process of defining the information needs of computer users and the impact of that process on information retrieval focuses on communication problems. Six sites were visited that used computers to process data or to provide information, including the California Department of Transportation, the California…