This study shows that there are certain issues involved in establishing a data bank that will be useful to Extension staff as they carry out their educational responsibility. (Author)

A model which relates the access control and indexing functions. The model is based on concept protection which allows a practically unbounded number of levels (subsets) of protection without requiring a fixed hierarchy among the levels. This protection is offered independently for each of the user operations allowed. (Author)

Develops a macro-view of mass media as interdependent parts of a total social system including a series of interrelated subsystems with primary function involving the generation, dissemination, and assimilation of information. (RB)

The development of the INSPEC vocabulary system which comprises a unified indexing and classification scheme is described together with the reasons for its adoption. (Author)

This paper suggests that artists be involved in the international and governmental decision making, planning, and regulating activities associated with new communication systems and communication technologies. Eight projects sponsored by Experiments in Art and Technology illustrate artists' interest in, and ability to contribute to, a variety of…

Describes a study conducted to identify published articles effective in explaining management information systems to students. (PF)

Describes the utility and applications of information retrieval thesauri and the development of the thesaurus for the DISCLOSURE data base. (PF)

False drops occur in a system of random superimposed coding for edge-notched, punched, and feature cards. Formulae for the false dropping fraction are derived, and figures and tables are given for the calculated values in the most popular scheme. (Author/LS)

This descriptive guide provides introductory information geared to aid both the user and the information manager in the use of 3RIP, an online text database system consisting of three components: (1) a retrieval system used to locate and display records, (2) a file handler used to read records from files and to write records onto files, and (3) a…

The seven short papers in this collection were developed to support discussions during the 1979 White House Conference on Library and Information Services. The first paper, by Donald P. Ely, discusses information and education in a multimedia world. Other papers discuss technology and information transfer in education (Blanche Woolls); teaching…

This paper describes the content, organization, specifications, and methods of use of the CAS77 and CAS7276 online files of worldwide chemical literature, databases produced by Chemical Abstracts Service and available from System Development Corporation (SDC). The scope of the databases, their unit record, their data elements, their modes of…

THE REPORT DESCRIBES THE EFFECTS THAT A CONTROLLED VOCABULARY HAS ON THE INDEXING AND SEARCHING OPERATIONS OF THE DOCUMENT RETRIEVAL SYSTEM ESTABLISHED BY THE UNIVERSITY OF DAYTON FOR THE AIR FORCE MATERIALS LABORATORY. THE SYSTEM CONTAINS ABOUT 30,000 SCIENTIFIC AND TECHNICAL REPORTS COVERING ALL ASPECTS OF MATERIALS RESEARCH AND IS CONTROLLED BY…