Reviews the background, concepts, and role of hypermedia systems and analyzes essential, expected, and desirable features of hypermedia in order to provide a basis for system design and evaluation. Four hypermedium shells and systems are described, and approaches to user interface problems are discussed. (48 references) (MES)

Discusses advances in microcomputer and optical technologies and how these technologies are being integrated into library reference work. Topics discussed include training of library reference staff; library bibliographic instruction; CD-ROMs; videodiscs; hypertext; bibliographies; library catalogs, including online catalogs; indexing and…

This article, intended for school teachers and school librarians, provides detailed information on electronic products produced by the National Geographic Society (NGS) for grades 3-12 and for adults. Highlights include the NGS Kids network; CD-ROM; software; GTV, an interactive videodisc kit; and STV, interactive videodisc with HyperCard…

Summarizes and illustrates the knowledge-based approach to instructional material design. A series of sports coaching handbooks and hypermedia presentations of the same material are described and the different instantiations of the knowledge and training structures are compared. Figures show knowledge structures for badminton and the architecture…