Describes the components of a hypertext system and discusses possible applications from the model of hypertext as a writer plus reader phenomenon. The role of semantic nets is described within the context of both the writer and the reader, and the relevance of hypertext techniques to computer software and expert systems is discussed. (42…

Reviews the development process of the TouchSource authoring system, which has been designed for use in developing touchscreen information directories using interactive videodisc. Topics discussed include authoring languages; the compatibility of interactive videodisc systems; hardware considerations; menu creation and design; database functions;…

Describes a study that explored differences in users' and nonusers' perceptions of the advantages and disadvantages of online bibliographic searching. The discussion covers the relationship between perceptions about online systems and decisions to use such systems, and the implications of user perceptions of benefits of online searching for user…

Describes the development and current status of a campus-wide computer network at Brown University. Topics discussed include the principles that guided network development; services available through the network; current structure of the network; and university support for the network. (CLB)

This introduction to the characteristics of software for CD-ROM describes programs used to format and create data stored on the disk, as well as retrieval programs. Criteria that need to be considered when evaluating CD-ROM software are discussed, including retrieval strategies (browsing vs. keyword searching), interfaces, index and file…

Describes a study that examined the appropriateness of database selection by patrons using CD-ROM. The findings discussed include the effect of search experience on appropriate database selection, whether the database used affected search strategies, and patrons' opinions about the need for training and the success of the searches. (three…

Describes the Context Information System, a prototype retrieval system designed for online searching in an educational environment. Use of the system in Israeli high schools to encourage the development of research skills is discussed, emphasizing the use of databases for hypothesis testing and comparative analysis of data. (six references) (LRW)

Gives an overview of various linguistic software tools in the field of intelligent text handling that are being developed in Germany utilizing artificial intelligence techniques in the field of natural language processing. Syntactical analysis of documents is described and application areas are discussed. (10 references) (LRW)

Describes a project that examined user selection of databases by monitoring the EasyNet Scan feature (a multifile search option) during 1989. The discussion covers the observed influence of price, database name, recommended database indicator, and record format on database selection. The category menus displayed by EasyNet are provided. (six…

Two articles describe the experiences of Loyola University of Chicago and Texas A&M libraries with locally mounted online databases under the same user interface as the online catalog. The Multiple Database Access System (MDAS) offered by NOTIS is explained, its impact on the libraries is described, and student and faculty reactions are…

Describes a study that analyzed search results in the medical behavioral sciences to compare the overall performance of descriptor and citation search strategies in identifying relevant and novel documents. The findings are presented in terms of retrieval overlap and novelty percentages, and factors affecting retrieval performance are discussed.…

Describes educational applications for Hypercard, a new piece of software for Apple Macintosh microcomputers. Highlights include programing languages; the development of databases; school media center applications; telecomputing possibilities; use in research activities; and the need for Macintosh computers and educational software in elementary…

Nearly every discipline in the humanities appears to have been touched by computers is the consensus from a conference on computers and the humanities held in Toronto. Computerized concordances, studies on language evolution, identifying archaeological finds, video images and audio in databases are discussed. (MLW)

Eleven articles introduce expert systems applications in library and information science, and present design and implementation issues of system development for reference services. Topics covered include knowledge based systems, prototype development, the use of artificial intelligence to remedy current system inadequacies, and an expert system to…

Discusses the issues influencing the design, implementation, and promotion of the Towers Perrin in-house text retrieval system. The discussion of factors influencing system design includes the organizational culture, the existing computer and communications network, and the availability of text retrieval software. Suggestions for in-house systems…