Discusses navigation in instructional hypertext programs and describes two preliminary studies that investigated concrete versus abstract representations for backward navigation. Topics include representation and hypermedia sign systems; and consistency in the forms designers use for navigation buttons. (LRW)

Provides an overview of this special issue on organizing resources on the Internet and discusses metadata. Topics include full-text indexing; adding additional data, or metadata; user needs; standard library cataloging; examples of the use of metadata; development of GEM (Gateway to Educational Materials); Dublin Core; and OCLC efforts. (LRW)

Describes the GEM (Gateway to Educational Materials) project being developed to provide enhanced access to lesson plans and other Internet-based educational materials through metadata. Highlights include controlled vocabularies; NIDR (networked information discovery and retrieval); the Dublin Core element set; syntax; prototype interfaces; and…

Examines changes in disciplinary identity demonstrated in the discourse of several Internet discussion groups and suggests the need for interdisciplinary collaboration to address digital storage and retrieval problems. Highlights include the culture of intellectual disciplines and the organization of knowledge; the culture of the Internet; and…

Discusses efforts to locate studies on the older adult second language learner. Notes that one online and three compact disk databases were searched, using search strategies and subject headings appropriate to each particular file. Results reveal that most of the relevant studies were retrieved from the ERIC and the Linguistics and Language…

Proposes a variable-based framework for multi-document summarization of dissertation abstracts in the fields of sociology and psychology that makes use of the macro- and micro-level discourse structure of dissertation abstracts as well as cross-document structure. Provides a list of indicator phrases that denote different aspects of the problem…

Discusses the growth in use and acceptance of Web-based genomic and proteomic databases (GPD) in scholarly communication. Confirms the role of GPD in the scientific literature cycle, suggests GPD are a storage and retrieval mechanism for molecular biology information, and recommends that existing models of scientific communication be updated to…

Discusses the collection fusion problem of image databases, concerned with retrieving relevant images by content based retrieval from image databases distributed on the Web. Focuses on a metaserver which selects image databases supporting similarity measures and proposes a new algorithm which exploits a probabilistic technique using Bayesian…

Describes the evolution of an electronic document management system for the World Bank, including record-keeping components, and how the Pittsburgh requirements for evidence in record keeping were used to evaluate it. Discusses imaging technology for scanning paper records, metadata for retrieval and record keeping, and extending the system to…

Discussion of electronic mail messages processing focuses on threads, which are conversations among two or more people carried out by exchange of messages. Suggests that effective threading systems should rely on conventions in human communication rather than on software communication, and shows that information retrieval techniques can be used…

Discusses fonts as well as design considerations that should be reviewed when designing World Wide Web pages and sites to make them easier for clients to use and easier to maintain. Also discusses the simplicity of names; organization of pages, folders, and files; and sites to help build Web sites. (LRW)

Discusses problems in creating the information retrieval mechanisms used in constructivist computer-based learning environments to support knowledge discovery: (1) subject can not always be pre-specified and the learner may not know what to seek; (2) retrieval strategies differ considerably from conventional ones, with the search including data,…

This annual compilation is designed as a resource for access to products (hardware and software) and services related to library automation and information storage. Sections include products and services by category, vendor, and brand name; and addresses of companies and consultants. (PEN)

Discussion of author cocitation analysis focuses on Pathfinder Networks (PFNET) where nodes represent authors and links represent weighted paths between nodes, the weights being cocitation counts. Highlights include remapping information science; comparison with principal components analysis; a correlation-based PFNET; and AuthorLink, a Web-based…

Considers complaints about the usability in the human-computer interaction aspect of information retrieval and discusses information visualization, the Online Library of Information Visualization Environments, hyperbolic information structure, subject searching, real-world applications, relational databases and hyperbolic trees, and the future of…