Fourth installment of a directory published in four parts in "Database" (June and August) and "Online" (July and September) provides descriptions of 12 laserdisk products together with information on the producer, compatibility, type of laserdisk, search and retrieval software, interface with magnetic media, conditions of usage, price, and status.…

Explores the use of analog optical disks as a practical, cost effective means of building picture databases. Questions that should be asked to determine whether optical disk is a suitable picture storage alternative for a particular application are identified and three implementation issues--imaging, indexing, and integrating--are discussed. (CLB)

Describes imaging technology, which allows huge numbers of words and illustrations to be reduced to tiny fraction of space required by originals and discusses current applications. Highlights include image processing system at National Archives; use by banks for high-speed check processing; engineering document management systems (EDMS); folder…

The objectives of this project were to assist the National Archives and Records Administration (NARA) in developing a policy for the representation, transfer, access, and preservation of electronic records of permanent value. A lack of attention to the management, retention, and selective preservation of these machine-readable records will result…

Discusses the feasibility of individual television film libraries combining film holdings onto optical disks and developing networks that would allow online searching of, access to, and transmission of video images. It is concluded that recent advances in technology would support fast and cost effective image retrieval with no loss in video…

Describes the Eastman Kodak Company's microfilm and optical disk technologies and their applications. Topics discussed include WORM technology; retrieval needs and cost effective archival storage needs; engineering applications; jukeboxes; optical storage options; systems for use with mainframes and microcomputers; and possible future…

Describes compression methods for components of full-text systems such as text databases on CD-ROM. Topics discussed include storage media; structures for full-text retrieval, including indexes, inverted files, and bitmaps; compression tools; memory requirements during retrieval; and ranking and information retrieval. (Contains 53 references.)…

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)

Reviews several CD-ROM products displayed at the March 1989 International Conference on CD-ROM sponsored by Microsoft. Product capabilities for handling text, audio, images, and full motion video are described, and potential applications for information retrieval are discussed. (CLB)

Describes document image management systems that are used for optical storage to facilitate information retrieval. Document image management applications are described, considerations in evaluating system features and functions are presented, and criteria for evaluating vendors of document image management systems are suggested. (two references)…

Discusses the need for user oriented optical storage systems to deal with information storage in offices, and describes the Megadoc system. The features described include hardware configurations, microcomputer applications, the ability to read microfilm or microfiche documents, equipment standards, and current systems software. (CLB)

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)

A series of six articles discusses the technology of optical data disks, current and possible future applications of this technology, their potential impact on information retrieval systems, and the potential problems as they apply to information science. (CLB)

Describes the newly installed optical disk storage system at the Naval Research Laboratory's Research Library and Technical Information Center. Planning and design of the system, the conversion of 140,000 reports to optical disk, the information retrieval process, and future plans are covered. (Contains nine references.) (KRN)

Description of new applications of digital optical disc storage technologies focuses on CD-ROM (Compact Disc--Read Only Memory); CD-I (Compact Disc--Interactive); and DV-I (Digital Video--Interactive). Features of each technology are described in the context of instructional design and educational technology, and the role of educational research…