Classifies and briefly describes several types of optical storage media available today--read-only and write-once analog disks, read-only and write-once digital disks and erasable disks. The appropriateness of CD-ROM (compact disk read-only memory) for use in libraries of developing nations is discussed in terms of users' information needs and…

Evaluates usefulness of LegalTrac Database at University of Florida College of Law for information coverage; indexing; ease in locating information compared to online and manual searching; and user reactions. Problems encountered with the system's software and equipment and practical suggestions for its use are included. (CDD)

Presents an access method for temporal data called the Snapshot Index that reconstructs a past state of a time-evolving collection of objects. Previous approaches to temporal access methods are reviewed, and migrating data to write-once optical disks are discussed. (Author/LRW)

Review of encyclopedias and other databases available on CD-ROM focuses on the International Encyclopedia of Education (IEE). Problems with software and hardware are described, perspectives from the computer industry are presented, the commercial potential of CD-ROMs is discussed, and a list of sources is provided. (six references) (LRW)

Discusses issues relating to recent introductions of CD-ROM technologies in libraries and considerations that have motivated libraries to choose networking CD-ROMs over the standalone approach. Factors discussed include cost effectiveness, the flexibility of the networking approach, and performance considerations. A glossary of terms is provided.…

Discusses the need for comprehensive and accurate sources of information for librarians looking for information about online databases or CD-ROMs and compares, examines, and makes recommendations regarding three print and electronic directories--the "Gale Directory of Databases," Bowker's "World Databases," and Waterlow New…

This digest reviews three CD-ROM (compact disc-read only memory) versions of the ERIC (Educational Resources Information Center) database currently being delivered or tested and provides information for comparison. However, no attempt is made to recommend any one product. The advantages and disadvantages of the acquisition of CD-ROM databases are…

Surveys some of the traditional and nontraditional electronic sources of information that can be of use in research and teaching. The discussion includes information about: 1) cost; 2) ease of use; 3) the earliest bibliographic entries; and 4) the frequency of updates. (Author/LMO)

This compendium of 44 articles written by leading authorities provides an in-depth and instructive overview of CD ROM (Compact Disk--Read Only Memory) for both the professional and the newcomer to the field. Three articles serve as an introduction to the book: (1) "As We May Think," Vannevar Bush; (2) "Finally It Works--Now It Must…

Discusses bibliographic instruction in the field of psychology and reviews library science literature, psychological literature, and electronic teaching resources. Highlights include reviews of library science and psychological journals, books, literature guides, bibliographies, databases, CD-ROMs, and Internet resources. A reference list at the…

Briefly describes DIALOG OnDisc and gives an example of an actual search of the ERIC database using this system. The screen displays and search commands are used to illustrate the differences between the easy menu search method provided for novice users and the command search method provided for experienced users. (CLB)

Compares the available databases, retrieval techniques and costs of traditional online searching of remote databases and local online access, i.e., databases available at the point of use via CD-ROMs or site licenses. The options and risks of local online access, and the possible impact on the database industry, are discussed. (CLB)

Examines the impact of online systems designed to be searched by end users on the process of database and product evaluation. Two testing methods, beta tests and user surveys, are evaluated, and possible solutions to testing problems are suggested. (CLB)

Discusses the growing importance of the use of Graphic User Interfaces (GUIs) with microcomputers and online services. Highlights include the development of graphics interfacing with microcomputers; CD-ROM databases; an evaluation of HyperCard as a potential interface to electronic mail and online commercial databases; and future possibilities.…

Discusses emerging portable CD-ROM technology and suggests guidelines for selecting and configuring a cost-effective system. Factors covered include portability, battery life, performance, durability, and display. Connecting the CD-ROM drive to the computer, producing and updating the CD-ROM database, use of the database, and accommodating…