Designed to minimize information overload in telecommunications systems, the formal model developed in this paper predicts the usefulness of a message based on the available message features, and may be used to rank messages by expected importance or economic worth. The assumptions of binary and two Poisson independent probabilistic distributions…

This article provides an empirical evaluation of an indexing technology, topic maps (ISO 13250), in the context of an academic task in a higher education context. Topic maps are a form of indexing that define and display the interrelationships between various topics in a given domain, as well as anchor these topics to specific resources that help…

This paper examines the relationship between democratic citizenship and information technology. Modern information technology disputes the idea that citizens can be properly educated to assume the burdens necessary to reap the blessing of freedom. Information technologies challenge the ability of citizens to fulfill the fundamental requirement of…

Describes the European Strategic Programme of Research and Development in Information Technology (ESPRIT), and its five programs: advanced microelectronics, software technology, advanced information processing, office systems, and computer integrated manufacturing. The emphasis on logic programming and ESPRIT as the European response to the…

Describes preliminary investigation of the use of International Computers Limited's Distributed Array Processor (DAP) for parallel searching of large serial files of documents. DAP hardware and software, test collections, measurement of DAP performance, search algorithms, experimental results, and DAP suitability for interactive searching are…

Describes two research projects based on QUEST and proposes an information handling model. Design, interrogation, and evaluation of data files are discussed relative to restraints imposed by child's developmental stage and nature of software employed. Implications of computer-related information handling for curriculum design and children's…

Charged with facilitating access to scientific and technical information (STI) databases, online services, and networks relevant to the conduct and management of research and engineering programs, the Defense Technical Information Center was designated as the Department of Defense (DoD) focal point for the development of an intelligent gateway…