Reviews several noncyclical, nonrepetitive hypotheses that try to predict broad spectrum maturational stages of overall information technology growth. Based on the areas of convergence among the hypotheses, several predictions are offered, and it is suggested that we are at a major transition point entering the third stage of computerized…

Presents an overview of nonbibliographic computerized databases in business and economics, science and technology, and the social sciences, and discusses some major issues in the field. (FM)

Reports on axiomatic approach to systems design that has emanated from documentation work in field of chemistry and closely related disciplines. It is based on five axioms: definability, order, sufficient degree of order, representational predictability, and representational fidelity. Mandatory indexing is discussed; a glossary is appended. (106…

Describes online catalog research being conducted in Europe in the areas of interaction and interface design, subject access, functional improvement through the application of information retrieval techniques, and library networks. Three operational online catalogs, not available outside Europe, are discussed. (30 references) (CLB)

Overview of expert systems (intelligent computer applications that use data, a knowledge base, and a control mechanism to solve problems) highlights history of expert systems; construction (human element, knowledge acquisition and learning, system architecture); limitations; issues and trends; and implications for information science. Thirty-three…