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)

This digest describes the traditional, new, and emerging points of access to the ERIC system: (1) traditional print access; (2) online access through commercial vendors; (3) CD-ROM; and (4) ERIC Digests Online. Also described are services offered by the ERIC Clearinghouse on Information Resources (ERIC/IR) that provide access to the system--ERIC…

Intended to provide an alternative to typical lists of "best sources," this bibliography annotates general reference sources as well as those in areas of business, science, and technology; fine arts and literature; medicine and health; and social sciences and humanities. Sources include print, CD-ROM, and online formats. A reference book survey…

Suggests evaluation criteria for selecting CD-ROMs and describes some typical titles along with examples of learning activities. Highlights include reference titles, including encyclopedias, magazine indexes, newspaper databases, subject-specific indexes, timetables and almanacs, and atlases; and curriculum-specific titles. (LRW)

This book provides guidelines for evaluating a variety of database types, including abstracting and indexing, directory, full-text, and page-image databases available in online and/or CD-ROM formats. The book discusses the purpose and techniques of comparing and evaluating the most important characteristics of textual databases, such as their…

Describes the role of automation in library acquisitions and serials departments in support of collection development. Highlights include workstations and expert systems; links to external databases; vendor services, including serials services and online review and selection of approval books; and automated access to collection development…

This 2-year project at the University of Texas at Arlington (UTA) was conducted to determine the feasibility of providing online periodical indexing to the journal holdings of the UTA libraries by demonstrating an extended use of the libraries' NOTIS Online Public Access Catalog (OPAC) to provide better access to local resources. Three approaches…

Describes the release of the British Education Index on CD-ROM, summarizing the deliberations leading to the conjunction of the Australian, British, and Canadian education index databases on the International ERIC CD-ROM. Considers the impact of CD-ROM availability on traditional print media and how it may affect the future development of the…

Argues that librarians should and can develop new electronic information products to meet their users' needs and describes the development of three such products at the Graduate School of Management Library at the University of California, Los Angeles (UCLA)--the RATIOS file, the REF-LITE Project, and the expert system Who?Biz. (EA)

This study investigated the use patterns of four CD-ROM systems--Newsbank Electronic Index, SilverPlatter's ERIC and PsycLIT, and Dissertation Abstracts Ondisc--and their print index counterparts in the University of Georgia (UGA) Main Library, which houses collections and provides library services for the humanities, the social sciences, and…

Describes two CD-ROM reference systems and the reactions of undergraduate students, faculty, and librarians to these systems. The discussion covers criteria that influenced users' reactions (e.g. ease of use, expertise in Boolean logic, database currency, and multidisciplinary characteristics of databases) and conclusions about appropriate systems…

This overview of the review literature is designed to assist librarians selecting CD-ROMs, applications software, and online databases. Described are specific directories, periodicals, review sources, and indexes that review electronic technologies. A chart analyzing the features of these sources is included. (EA)

Discusses problems encountered in creating a subject thesaurus for the "Ethnographic Bibliography of North America" that is adequate for both print and CD-ROM formats. Topics discussed include postcoordination versus precoordination of terms; precision and recall; natural language versus controlled vocabulary; free-text searching; and…

The five papers in this collection focus on computerized legal databases and their content: (1) "Disk and Dat: Recent Developments in Legal Databases and Emerging Information Technologies in the United States" (Howard Hood, United States); (2) "Online Databanken zum EG-Recht und ihr Angebot (Online Databases for European Community…

Describes databases available on optical disks, compares the databases with their print and online analogs, and suggests that the librarian should call such products to the attention of users needing information available in CD-ROM format. Five features desirable to most libraries are listed. (Author/CLB)