Describes digital community information systems (CIS) and the need for improvements in system design. Proposes a layered evaluation framework to guide the evaluation of digital CIS from the perspective of information retrieval, following a selective review of digital CIS and evaluation approaches. Contains 59 references. (Author/LRW)

Describes a comparative study of the "help" facilities of 16 interactive information retrieval systems. Guidelines for the design of a "help" facility are presented and then used to evaluate the quality and friendliness of each system. Suggestions for the improvement of online "help" facilities are discussed. (31…

Discusses the need for knowledge gateway systems to provide access to scattered information and the use of technologies in gateway building, including artificial intelligence and expert systems, networking, online retrieval systems, optical storage, and natural language processing. The status of four existing gateways is described. (20 references)…

Reports on axiomatic approach to systems design that has emanated from documentation work in field of chemistry and closely related disciplines. It is based on five axioms: definability, order, sufficient degree of order, representational predictability, and representational fidelity. Mandatory indexing is discussed; a glossary is appended. (106…

Describes online catalog research being conducted in Europe in the areas of interaction and interface design, subject access, functional improvement through the application of information retrieval techniques, and library networks. Three operational online catalogs, not available outside Europe, are discussed. (30 references) (CLB)

Outlines a behavioral approach to information retrieval system design based on the derivation of a behavioral model of the information-seeking patterns of academic social scientists. The extent to which identified information-seeking characteristics are supported by existing systems is considered, and requirements for implementing these features…

Reports on a project that proposes and tests a comprehensive and systematic model of user evaluation of Web search engines. This article describes the model, including a set of criteria and measures and a method for implementation. A literature review portrays settings for developing the model and places applications of the model in contemporary…

Identifies factors that reduce the effectiveness of computers as intermediaries and discusses possible negative effects on user satisfaction and the interaction between users and librarians. A set of guidelines for the improvement of online catalogs, based on user needs and abilities, is presented. (41 references) (CLB)

A series of 11 articles describes information technologies being used in the U.S. Congress, the impact of these technologies, and possible future developments. Included are a chronology of key actions affecting congressional information support and a list of readings in information technology and Congress. (CLB)