Suggests an alternative document representation method based on "exemplary documents," those that describe or exhibit the intellectual structure of a particular field of interest. Exemplary documents provide both an indexing vocabulary for that area and a narrative context in which the indexing terms have a clearer meaning. It is much…

This paper describes Connect Ed, a program offering graduate and undergraduate courses for credit via computer conferencing. It is noted that these courses are offered in conjunction with the Masters Degree in Media Studies at the New School for Social Research and the Polytechnic Institute, both in New York City. A progress report on Connect Ed's…

Providers of online information with a high visual content face an uncompromising dilemma--how to achieve fast delivery while maintaining good picture quality. As storage space or bandwidth increases, the demands placed on it by the user are always two steps ahead. Since limited bandwidth for communicating images looks like it may remain a problem…

This research begins to refine a cognitive model of interactive information seeking for use in the design of information retrieval (IR) systems. The research reported in this paper critically examines several interactive information seeking and retrieval models that have emerged over the last two decades. Building primarily on the stratified…

The authors developed a Web-based negotiation system that is closely modeled on real-world transactions. This paper illustrates the generality of the system by discussing two disparate applications of the system: one taken from business and the other from collaborative e-learning. The application generates, in real time, transparency-controlled…

This paper presents the results of a three-year project of the 22 libraries of the California State University (CSU) system to create an entirely new approach to information access. The Unified Information Access System (UIAS) is designed to provide integrated, single-search access to the full range of library information resources. In addition to…

Introduces a multiagent architecture based on the blackboard system that enables different processes that perform multimodal presentation planning to communicate with each other. Describes a constraint propagation mechanism that transfers plan constraints from one level of the presentation planning process to the next. Discusses the cooperation…

Librarians providing information services electronically must create useful information systems. This article illustrates that the effectiveness of an information system is characterized by its readability, browsability, searchability, and interactive assistance. Describes the concept of interactive assistance and how it relates to information…

Multicasting is a necessity for a broadband metro-area-network; however security problems exist with current multicast protocols. A stateful multicast access control mechanism, based on MAPE, is proposed. The architecture of MAPE is discussed, as well as the states maintained and messages exchanged. The scheme is flexible and scalable. (Author/AEF)

Examines current limitations of Web-based learning systems (WBLS) in higher education and describes a prototype Web-based Asynchronous Synchronous Environment (WASE) that is designed to circumvent those limitations. Includes 10 figures and 2 tables. (AEF)

Discusses the application of theories of cognitive modeling to information systems design and describes research that investigated the validity of the repertory grid for incorporation into intelligent front-end interfaces for information storage and retrieval systems. Personal construct theory is discussed and future research is suggested. (67…

Presents a cooperative information system for remote medical imaging diagnosis. General computer-supported cooperative work (CSCW) problems addressed are definition of a procedure for the design of user-centered cooperative systems (conceptual level); and improvement of user feedback and optimization of the communication bandwidth in highly…

Focusing on languages for the Dublin Core, examines the experience of some related ways to seek semantic interoperability through simplicity: planned languages, interlingua constructs, and pidgins. Also defines the conceptual and organizational problem of maintaining a metadata standard in multiple languages. (AEF)

In light of the compliance requirements of the Americans with Disabilities Act, this article explains adaptive computing technology and its use in the design of a new implementation of ORION, the online information system at the University of California Los Angeles. Addresses, both postal and electronic when possible, are provided for several…

Reviews currently available instructional systems design models and describes a new design model for Web-based knowledge management (KM) systems, based on a living-systems approach, and the mechanisms it contains for accommodating change and growth. Illustrates the application of the phases of the model in the development of a KM system with…