Proposes a microprocessor-based architecture that makes large use of parallelism both in processing and in retrieval operations. The proposed system consists of three functional blocks: the query processor, simple query executers, and the answer composer. Twenty-one references are listed. (FM)

Describes significant attributes of expert systems, contrasts them to conventional computer systems, and provides an overview of the R1 expert system used by Digital Equipment Corporation (DEC) to put together operational systems that meet customers' requirements. Document handling, particularly pictures and images in documents, is also briefly…

Describes information architecture as a high-level map of the information requirements of a corporation that can be used as a base for developing effective information systems. Methodologies for development, problems involved, and benefits are discussed, several examples are cited, and prescriptive recommendations are given. (Author/LRW)

Describes methods for effecting the partition of information systems consisting of many components and interconnections into subsystems which are later made to interface with one another achieving an overall system. Clustering algorithms for the specific case of information systems are obtained and exemplified. Twenty-seven references are…

Describes interorganizational information systems and the necessity for cooperation. Topics discussed include managerial considerations, including objectives, benefits, and resources; considerations in systems development, including telecommunications skills; considerations for users of information systems, including user needs; and considerations…

Discusses the multilevel information system (MLIS), a retrieval system that integrates functions typical for database management systems and retrieval-oriented systems and provides several levels of data accessing, each developed for a different class of users. Twenty-two sources are cited. (FM)

Considers two aspects of design and performance evaluation of information systems: initiation, planning, development, and testing of new systems, to include modification of existing structures; and appraisals and measurement of operational systems and components. A taxonomy of information systems provides a basis for organized evaluation of system…

Presents a formal model for specification of logical requirements of computer-based information systems that incorporates structural and dynamic aspects based on two separate models: the Logical Information Processing Structure and the Logical Information Processing Network. The model's role in systems development is discussed. (MBR)

Argues that the best strategy for building integrated, personalized information systems consists of linguistically oriented knowledge and inference, rather than artificial intelligence techniques. The discussion addresses difficulties in the evaluation of such systems and strategies for devising performance studies. (five references) (CLB)

Presents a four-stage hypothesis of information systems development based on computational capability, storage capability, communications capability, and effective voice input. Moore's Law and Mooers' Law are explained, the interface between the system and the user is discussed, and projections for the future are suggested. (21 references)…

Describes two experiments that were conducted at the University of Illinois to determine how cognitive abilities of users of information retrieval systems and specific design features combine to create system usability. Logical reasoning and perceptual speed are examined, and reliability and validity are discussed. (Contains 12 references.) (LRW)

Describes information system being developed by Unesco's General Information Program and Brazilian Institute for Information Science and Technology to overcome lack of timely, relevant data to support national information decision making. Principles and examples of practical applications of the system are presented. Prospects and requirements for…