Heavy emphasis was placed on experiments, and interpretation of experimental results. A set of experiments was designed to yield quantitative information on how the experimental subjects used the full-text-access system, why they used it and how effective it was. A detailed report of work on this topic to date is presented. The in-depth analysis…

The papers in this volume constitute the proceedings of a symposium which examined the history, state-of-the-art and future utility of computer-based information systems. Emphasis is placed on the economics and potential uses of on-line interactive systems and their accompanying computer networks. Conceptual and descriptive papers dealing with the…