Reports on two empirical studies that examined the nature and causes of information management indeterminism in an online research environment. A knowledge-based design for alleviating indeterminism which contains a system-generated thesaurus and an inferencing engine is proposed. (Contains 63 references.) (JLB)

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)

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…