Reviews selected research on the performance of bibliographic and full-text databases. A mathematical model for clarification of the relationship between user behavior and the performance measures of recall and precision is presented. (five references) (MES)

Examines possible reasons for the slow adoption of full text primary literature online by users. Areas discussed include the lack of complete online files, competition with better known sources, isolation of full text files, and the slow adoption of online services in general. Possible future developments are discussed. (three references) (CLB)

Outlines the features and drawbacks of Wide Area Information Servers (WAIS). Praises the ease of use for end users and the variety of documents and other information available, but cautions users about searching problems resulting from the use of relevance ranking schemes. Calls for greater librarian involvement. (EA)

Discusses the application of artificial intelligence to online information retrieval systems and describes several systems: (1) CANSEARCH, from MEDLINE; (2) Intelligent Interface for Information Retrieval (I3R); (3) Gausch's Query Reformulation; (4) Environmental Pollution Expert (EP-X); (5) PLEXUS (gardening); and (6) SCISOR (corporate…

Discussion of online databases and their hardware and software requirements, interactive search techniques, and costs focuses on information services of interest to higher education. Bibliographic, full-text, and online conferencing databases are described, menu-driven and command-driven information systems are explained, and modems are discussed.…