Prestel is an interactive videotex system which has been available to the public in the United Kingdom since the late 1970's. Recent research funded by the British Library Research and Development Department provided public libraries with access to Prestel and monitored their reactions to the services. Aims of the trial were to promote Prestel by…

This review of the literature discusses theories of information with emphasis on the views of Dervin and Popper on subjectivity and objectivity as they relate to information use. Classification and indexing as applied in information retrieval systems and libraries are also discussed, and 78 references are provided. (LRW)

Provides an interim report on a project whose goal is to provide subject access to the knowledge of mankind at least as well as the skilled reference librarian. Classification and concept formation are discussed in terms of four modules: diagnostics of information-seeking behavior, network interface, subject access, and graphic interface. (EM)