Authority control improves users' access to a library's holdings by enhancing the ability to find and select materials. The AutoCat authority control system developed at Dickinson College (Carlisle, Pennsylvania) avoids the high initial costs of vendor clean up and Library of Congress authority tapes while reducing the labor involved in authority…

Provides an overview of issues concerned with the design and use of computer-based simulations. Learning processes are discussed, and the SIMULATE project, which was developed to design an integrated set of authoring tools for the construction of an intelligent simulation learning environment (ISLE), is described. (15 references) (LRW)

Introduces navigation as a central concept for information retrieval and for information systems in general. The evolution of information systems is described; navigability as an aid to improve relevance is discussed; and a system under development that attempts to facilitate navigation for information retrieval is described. (31 references) (LRW)

Discusses captioning of instructional video programs for people with hearing disabilities. Topics addressed include closed captioning versus open captioning; captioning of prerecorded programs; external captioning sources; local captioning methods; captioning systems; lower cost alternatives for open captioning; and multimedia personal computers…

Discussion of virtual reality (VR) focuses on research and development being carried out at NYNEX to solve business problems. Component technologies are described; design decisions are considered, including interactivity, connectivity, and locus of control; potential perils of VR are discussed, including user dissociation; and areas of promise are…

This fact sheet about the INTERNET Gopher, an information distribution system combining features of electronic bulletin board services and databases, describes information availability, gateways with other servers, how the system works, and how to access Gopher. Addresses and telephone numbers for additional information or news about Gopher are…

Examines the relationship between information and democracy through a framework of six stereotyped assumptions regarding ontology and epistemology, i.e., dogma, naturalism, cultural relativity, constructivism, postmodernism, and communitarianism. Implications for the design and implementation of information systems are discussed. (Contains 93…

This article describes the stages in developing a special education expert system: orientation, development of a theoretical framework, generation of content for the system databases, and checks for consistency and logic/revision. It explains the synthesis and application required to build the content for the system and discusses typical problems…

Discussion of the problem of control in documentary information retrieval (IR) systems focuses on feedback mechanisms. Information needs are discussed, particularly the Problem Oriented Information Need (POIN); the structure of an adaptive IR system is described; and the design of algorithms for automated IR systems is explained. (33 references)…

Examines the potential application of the American National Standards Institute (ANSI)/National Information Standards Organization (NISO) Z39.50 library networking protocol as a client/server environment for a scholar's workstation. Computer networking models are described, and linking the workstation to an online public access catalog (OPAC) is…

Describes a collaborative, reuse hypertext system, called MUCH (Many Using and Creating Hypertext). The novel browsing and retrieval characteristics of the system are based on a semantic net connecting documents, thesauri, and discussions. Word patterns are documented for reuse, creating and reorganizing network traversal according to user…

Discusses the integration of instructional science and computer science. Topics addressed include motivation for building knowledge-based systems; instructional design issues, including cognitive models, representing student intentions, and student models and error diagnosis; representing tutoring knowledge; building a tutoring system, including…

Discussion of human-computer interaction (HCI) as an essential part of the design of computing systems focuses on incorporating HCI into university computing courses. HCI training needs for various career profiles are given; and an outline of the contents of the Open University postgraduate module on HCI is appended. (nine references) (LRW)

Describes a low-cost, upgradeable, CD-ROM network and gives a step-by-step description of the installation process, including inventorying assets, learning about network components, selecting a network, installing adapter boards, attaching cabling, installing software, testing, configuring the server, installing search software, installing a menu,…

Discusses the process and demonstrates the utility of repackaging lantern slides (i.e., photographs printed on glass or film sandwiched between glass) as digital images. A prototype community memory interface for access to the images is described, and photographs of the visual index to stored images are included. (seven references) (KRN)