Reviews the literature on the content aspects of database quality, specifically scope, composition, currency, accuracy, consistency, completeness, and source, journal, geographic, language, and time-period coverage. These criteria can be evaluated qualitatively and/or quantitatively to determine the profile of a database, and to ascertain search…

A hypertext-based thesaurus is proposed as a navigational aid to the subject domain of a bibliographic database. Implementation of a hypertext version of the "Thesaurus of ERIC Descriptors" with database linking strategies is discussed. (44 references) (EA)

Explores the use of visualization to enhance the information retrieval process, particularly in bibliographic retrieval systems. Topics discussed include document retrieval systems; human visualization; the VIBE (VIsualization by Example) system, a prototype system for visualizing a collection of documents; and differences between VIBE and more…

This discussion of educational applications of user interfaces covers the benefits of adopting database techniques in organizing multimedia materials; the evolution of user interface technology, including teletype interfaces, analogic overlay graphics, window interfaces, and adaptive systems; application design problems, including the…

This report, profusely illustrated with color photographs and other graphics, elaborates on the Department of Energy (DOE) research program in High Performance Computing and Communications (HPCC). The DOE is one of seven agency programs within the Federal Research and Development Program working on HPCC. The DOE HPCC program emphasizes research in…

Discusses the application of theories of cognitive modeling to information systems design and describes research that investigated the validity of the repertory grid for incorporation into intelligent front-end interfaces for information storage and retrieval systems. Personal construct theory is discussed and future research is suggested. (67…

This report presents a model combining the emerging technologies of hypertext and expert systems. Hypertext is relatively unexplored but promises an innovative approach to information retrieval. In contrast, expert systems have been used experimentally in many different application areas ranging from medical diagnosis to oil exploration. The…

Discusses computer networks and online searching in libraries and describes plans for the development of the National Research and Education Network (NREN). Cooperation of government, academia, and industry is highlighted, digital video interactive (DVI) is described, implementation phases are explained, and current legislative developments are…

This report outlines job opportunities in the field of computer information technology and the requirements for jobs in this field. Jobs profiled include computer programmers, systems analysts, computer engineers, and database administrators, computer support specialists, and other computer scientists. The report then summarizes the labor market…

Discusses client-server architecture in dumb terminals, personal computers, local area networks, and graphical user interfaces. Focuses on functions offered by client personal computers: individualized environments; flexibility in running operating systems; advanced operating system features; multiuser environments; and centralized data…

Discusses the human-computer interface as it relates to information technology and retrieval. Principles of interface design are examined, including visual display features and help messages; information retrieval applications are described, including online searching, CD-ROM, online public access catalogs (OPACs), and full-text databases; and…

Reviews the literature on the development of full-text electronic libraries in the academic setting. Organizational factors can have impact on electronic library development and ultimate usability. Topics include strategic management, planning and implementation; system specification and design; document provision; user support and training; and…

Describes technological aspects of image information, compares it with alphanumeric databases, and discusses applications in the areas of business, government, libraries, and medicine and more. The components of an image processing system are explained, systems analysis and design are discussed, and predictions for the 1990s are offered. (153…

Discusses a variety of library applications of optical disc storage technology, including CD-ROM, digital videodisc, and WORM. Research and development projects at the Library of Congress, National Library of Medicine, and National Agricultural Library are described, products offered by library networks are reviewed, and activities in academic and…

The development of information technologies such as public access catalogs and online databases has greatly enhanced access to information. The lack of automation in the area of document delivery, however, has created a large disparity between the speed with which citations are found and the provision of primary documents. This imbalance can…