Uses collection and storage of data in an environmental chemicals data bank to develop an exchange format of hierarchical tree structure between network partners. Rules identify and process the nodes in the tree in such a way that information is neither lost nor degraded upon transfer between network partners. (CWM)

Suggests a unified concept of a lexical subsystem as part of an information system to deal with lexical problems in local and network environments. The linguistic and control functions of the lexical subsystems in solving problems for large computer systems are described, and references are included. (Author/BK)

Brief discussion of state-of-the-art of modeling complex information systems distinguishes between macrolevel and microlevel modeling of such systems. Network layout and hierarchical system models, simulation, information acquisition and dissemination, databases and information storage, and operating systems are described and assessed. Thirty-four…

Current awareness services at AT&T Bell Laboratories are described: bulletins announcing over 80,000 externally published items/year; production of four commercial machine-readable databases and camera-ready bulletin copy by Bell Laboratories Publication, Alerting, and Retrieval System (BELLPAR); photocopy service. Improvements in service are…

Discusses the use of microcomputers in creating national information systems in less developed countries; considers the structure and constraints of national systems; discusses bibliographic formats; and describes BABINAT, a reference format for national bibliographic databases that was developed in France for use in less developed countries. (20…

Looks at some of the problems of finding digital geographic data in the electronic information infrastructure. Discusses the literature describing trends in organizing information resources in an electronic environment, including spatial information cataloging systems; the paper-based system from which they arose; and new Internet finding tools.…