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 factors that should be considered by buyers and producers of databases on CD-ROM (compact disc-read only memory). The advantages and disadvantages of CD-ROM are also discussed and compared with those of magnetic and print media, and market projections are provided. (CLB)

Provides a technological overview of CD-ROM (Compact Disc-Read Only Memory), an optically-based medium for data storage offering large storage capacity, computer-based delivery system, read-only medium, and economic mass production. CD-ROM database attributes appropriate for information delivery are also reviewed, including large database size,…

Discusses current optical data disk databases, their uses, and factors that will affect database copyrights. The factors discussed include hardware and software developments, multimedia applications, multiuser capabilities, and downloading capacities. (7 references) (CLB)

Discusses library applications of several specific CD-ROM products, including library catalogs, book reviews, databases, encyclopedias, and interactive video programs. Such factors as cost effectiveness, ease of use, and user satisfaction are discussed, and a bibliography of books about CD-ROM is provided. (CLB)

Examines the current development of computer compact disk storage devices (CD-ROM). Describes the basics of how the CD-ROM operates and identifies educational uses. Lists companies currently providing CD-ROM software and producing CD-ROM players. (MVL)

This special issue on CD-ROM comprises six articles covering the following topics: (1) an overview of the library market; (2) the producer's perspective; (3) implementation issues; (4) problems; (5) future needs and trends; and (6) a 23-item bibliography which includes an annotated section designed as a self-instructional module. (MES)

Describes an image storage system for contract documentation in the Engineering Directorate of Thames Water Utilities (England) which uses optical disc storage and a relational database for indexing and retrieval of nearly 500,000 pages in compressed image format, and provides end user access through 7 workstations. Requirements, feasibility…

Considers the future of microforms by surveying the history of their use in libraries; reviewing the literature about them; and comparing them with electronic databases, full text delivery, and laser disks. It is concluded that microforms will continue to be the primary providers of significant but rarely used retrospective materials. (EM)

Discusses CD-ROM with an emphasis on aspects that librarians need to know. The topics covered include the technology; installations and cost; advantages and disadvantages for libraries; products of interest to librarians; and selection issues. Other optical storage media are described and sources for further information are provided. (37…

Bibliographers and librarians are aware of the new information technologies in information storage and retrieval. CD-ROMs and online database systems are two technologies used daily to assist users in accessing needed information. Although these resources are lacking in the fields of journalism and mass communication, possibilities for…

Describes the unique reliability problems of very large databases that necessitate specialized techniques for hardware problem management. The discussion covers the use of controlled partial redundancy to improve reliability, issues in operating systems and database management systems design, and the impact of disk technology on very large…

Presents a discussion of laser disk systems developed by different institutions to store and distribute information and visual images. Includes information on storage, preservation, and use in the classroom or for research. Evaluates image quality, storage capacity, and transmissibility. Urges use of the videodisk to organize information and…

Describes compact disk technology in general and possible library applications, including cataloging, online bibliographic searching, and full text searching, and compares the purchase of optical disk packages to traditional online services. Guidelines are provided for evaluating optical disks which focus on the size of the database, updating…

This testimony discusses ways in which some federal government agencies use technology to provide the public with cheaper, faster access to a wider range of information which can be searched and manipulated in ways never possible on the printed page. Technologies included in the discussion are compact disc-read only memory (CD-ROM), electronic…