Large-scale, on-line information storage and retrieval systems pose numerous problems above those encountered by smaller systems. A step toward the solution of these problems is presented along with several demonstrations of feasibility and advantages. The methodology on which this solution is based is that of a posteriori automatic classification…

Redesign of human-computer interface for users of computerized information systems can make substantial difference in training time, performance speed, error rates, and user satisfaction. Information and computer scientists are using controlled psychologically oriented experimentation, and evaluations during system development and active use to…