Describes the possibilities of hypermedia stackware with emphasis on applications for youth librarians. A model for the development and evaluation of stackware is offered, and an example of a proposed hypermedia product is provided. Differences in personal interest levels and learning styles are considered, and copyright concerns are discussed.…

Explains how a user-centered approach to system design addressed the representational and strategic issues that arose when developing an artificial intelligence-based system, the Science Education Advisor, a case-based hypertext browsing system designed to collect and dispense ideas and advice for teaching elementary school science. (39…

Discusses the information database Britannica Online. Topics include compact discs versus online feeds; database delivery via the Internet; use of technology such as hyperlink, graphics, audio, and video; Britannica's search engine architecture; search options; user reactions, and costs. (AEF)

Reviews 13 dissertations completed between 1992 and 1994 as well as 8dissertations in progress that are relevant to the school library media field. Topics include children's literature, information retrieval, media production, international school librarianship, and use of the library. (LRW)

An experiment investigated whether the format in which information is stored affects the outcomes of ready reference transactions in terms of efficiency and accuracy. Results indicate that bibliographic questions are more efficiently answered online, while factual questions are more efficiently answered with print sources. Results of the study are…

Examines advantages and disadvantages of the traditional model of undifferentiated service versus an alternative model of differentiated services, which includes directions and general information; technical assistance, "information lookup" for the client, research consultation, and library instruction. Suggests each service should fit…

A new model for bibliographic instruction that includes computer and multimedia technologies is necessary. Information literacy should be redefined as the knowledge needed by information specialists to redesign information retrieval within libraries. A user-friendly library should provide both print sources and the new information technologies.…

Introduces the information superhighway (the Internet), and presents a guide to navigating it. Offers basic instruction on obtaining and learning to use network accounts; locating addresses using Archie and Wide Area Information Server; retrieving information using file transfer protocol; utilizing Gopher to find and retrieve; browsing the World…

Explores the human aspect of information retrieval by examining the behavior and pronoun use of librarians in the course of communicating with patrons during online computer search interactions. Compares two studies on the conduct of librarians as intermediaries in naturally occurring online computer search interactions. (JMV)

Argues that the selection of a database is a significant factor in the success and cost effectiveness of an online search, and provides guidelines for determining whether the content of a database is relevant for a particular search and whether the database is accessible, affordable, and suitable for the search. (LAE)

Artificial intelligence techniques available for generating explanations for teaching purposes are surveyed, and the way in which they are combined in a computer program that provides explanations is described. The program responds to questions in the physical sciences. Potential contributions of this technology to computer-based education are…

Review of the 1991 literature on subject access in online systems discusses users and subject searching; subject access in online catalogs, including improvement of the database, search processing, the user interface, and user understanding; subject cataloging and indexing; information retrieval; thesaurus and indexing approaches; classification;…

Discusses problems encountered in creating a subject thesaurus for the "Ethnographic Bibliography of North America" that is adequate for both print and CD-ROM formats. Topics discussed include postcoordination versus precoordination of terms; precision and recall; natural language versus controlled vocabulary; free-text searching; and…

Discusses knowledge acquisition and dissemination in a network environment. Obstacles to the electronic exchange of knowledge and functional requirements for knowledge acquisition, dissemination, and management are summarized. A prototype intelligent Internet interface that mediates knowledge acquisition and dissemination and preliminary test…

Explores the benefits and limitations of the World Wide Web in the context of projects taking place at the University of Virginia Library and the university's Institute for Advanced Technology in the Humanities. A gateway between the Web and PAT, a text retrieval program based on SGML (Standard Generalized Markup Language), is described. (Contains…