Discusses the cost of constructing a hypertext database and suggests cost forecasting approaches that can be used to determine whether organizations can internally fund a hypertext database, or whether producers can afford to market hypertext databases. Production costs in differing hypertext strategies are also compared. (27 references) (LRW)

Evaluates six CD-ROM products for library users that provide information on companies: (1) CD/Corporate: U.S. Public Companies; (2) Compact D/SEC; (3) Compustat PC Plus Corporate Text; (4) General Business File; (5) Moody's 5000 Plus; and (6) Standard and Poor's Corporations. Information provided includes companies included, online database…

This followup to a 1989 study of current sources for bibliographic information on videos examines three main sources: (1) OCLC; (2) Bowker's Complete Video Directory; and (3) Video Source Book. Coverage is compared for new titles as well as for titles from the previous study, and differences between the three sources are described. (LRW)

These two articles discuss search strategies and the selection of databases. The first examines database selection when recommended database indicators are changed and database names are expanded in the EasyNet system; and the second discusses multifile searching versus single file searching in terms of success rates for novice users and cost…

Notes that researchers miss useful references because of unsystematic methodology and because on-going efforts at systematic bibliography have not utilized some key resources. Argues that, although no combination of available resources guarantees comprehensive bibliographic coverage for technical communication, composition, or rhetoric,…

Identifies and describes online databases containing references to materials on artificial intelligence, robotics, and expert systems, and compares them in terms of scope and usage. Recommendations for conducting online searches on artificial intelligence and related fields are offered. (CLB)

Discusses digital imaging technology and examines document database conversion considerations. Two types of document imaging systems are described: (1) a work in process system, and (2) a storage and retrieval system. Conversion methodology is outlined, and a document conversion scenario is presented as a practical guide to conversion. (LRW)

Discusses technological developments in information distribution and management in relation to concepts of ownership. A historical overview of the concept of copyright is presented; licensing elements for databases are examined; and implications for gateway systems are explored, including ownership, identification of users, and allowable uses of…

This annotated bibliography lists 45 nondepository publications and CD-ROM databases disseminated by the National Technical Information Service (NTIS) during 1992. A brief history of recent federal legislation affecting the Government Printing Office (GPO) is provided. (LRW)

Discussion of relevance and the needs of the users in information retrieval focuses on a deductive object-oriented approach and suggests eight inference rules for the deduction. Highlights include characteristics of a deductive object-oriented system, database and data modeling language, implementation, and user interface. (Contains 24…

Explains what an education library is and describes methods used in seeking out such libraries on an international basis. Libraries in Sweden, Finland, Australia, Hong Kong, Singapore, and Canada are described, including address, World Wide Web page, mission, history, clientele, type of collection, services, publications, and databases. (LRW)

Presents a seven-step methodology for utilizing integrity constraint knowledge from heterogeneous databases. Describes generating a set of integrity constraints applicable at the integrated level from constraints specified on local databases. Introduces the concept of constraint-based relationships between objects in heterogeneous databases;…

Extension educators' need for food safety information that is accurate, timely, and accessible is being filled by North Carolina Cooperative Extension Service's Web site. The nationally recognized site features a database and links to over 600 publications and fact sheets. (SK)

Discusses structural components of databases that require data-mining algorithms and describes the SUBDUE system that is designed to discover knowledge in structural databases. Analyses the ability of SUBDUE to scale to large databases and describes parallel and distributed implementations to investigate methods for improving the scalability of…

Based on a database of lesson extracts, this article attempts to characterize task-based interaction in the second-language classroom as a variety, discusses its pedagogical and interactional advantages and disadvantages, and considers what kinds of learning it might be promoting. (Author/VWL)