Examines history of online information retrieval services in North American in general and in Canada specifically. The current situation is assessed on the basis of results of a recent national survey and the issue of charging for these services is discussed. Twelve references are cited. (EJS)

Issues and impacts of microcomputer use in libraries are discussed in terms of labor dislocation, costs, distributed data processing, networks, current system configurations and capabilities, and software. Reference service management, information retrieval systems, and external online access are also examined. Twenty-six references are listed.…

Compares artificial intelligence and information retrieval paradigms for natural language understanding, reviews progress to date, and outlines the applicability of artificial intelligence to question answering systems. A list of principal artificial intelligence software for database front end systems is appended. (CLB)