This continuation of the previously published four part directory reports information on several additional laserdisk databases and provides updates on some of those included in the original listing. Included in the product descriptions are producers; compatibility; type of laserdisk; software; interface with magnetic media; conditions of usage;…

Presents an overview and statistical profile of currently available CD-ROM databases. Trends in the following areas are discussed: types of databases available (index, source, reference, full text, numeric, software and images); subject areas covered by databases; update frequency; and pricing. A list of key publishers and software is provided.…

Examines the strength of Data-Star, a European database service, in the following categories: company-specific information; market research and investment bank reports; international newspapers and journals; and legal aspects of trade with the European community. Five tables detailing findings are included, and pricing and special features are…

Examines the strengths and weaknesses of the three chemical dictionary files now available online--CHEMNAME, CHEMDEX, CHEMLINE--to aid the searcher in selecting the most appropriate database. (Author/JD)

Addresses the problem of overlap between the Educational Resources Information Center (ERIC) and Psychological Abstracts data bases, especially in areas of educational psychology. The article compares costs and article selection and offers guidelines for searchers based on duplication from test searches. (JD)

Description of bibliographic databank produced by the H. W. Wilson Company covers databases (bibliographical, directory, forthcoming); the WILSONLINE search system (search statement formulation, identifying search terms, other search features); print options; search management features; performance, documentation, and assistance; costs; and…

Describes the Kodak Picture Exchange that includes a database of over 200,000 photographic images collected from 28 stock photography companies in the United States that allows the user to search for images by topic. Highlights include installing the software, alternative search strategies, costs, manipulating images, and rules governing the use…

Discusses new pricing models for some online services and considers the possibilities for the traditional online database market. Topics include multimedia music databases, including copyright implications; other retail-oriented databases; and paying for free databases with advertising. (LRW)

Two tables compare projected costs of online versus offline retrieval of citations from 50 databases using BRS and DIALOG. Data include database; databank; cost of access per hour; cost of 15-minute search with no retrieval; and cost of 15-minute search plus cost of 10 and 30 online or offline citations. (CLB)

Study of the newspapers in the United States that are available online and the populations of the cities where they are published shows that the 24 largest cities are well represented in online newspaper files and that 4 vendors provide access to varying numbers of these newspapers. Availability of newspapers on CD-ROM is also reviewed. (LAE)

Compares the performance of ABI/INFORM on the DIALOG, NEXIS and DIALCOM systems in terms of documentation, database and system design, convenience, and cost. Examples of searches on the various systems are given. (CLB)

This last installment in a three-part series covers several important areas in the searching of legal information: online (group) training and customer service, documentation (search manuals and other aids), account representatives, microcomputer software, and pricing. Advantages and drawbacks of both the LEXIS and WESTLAW databases are noted.…

Results of comparison of online and manual searching of same subject favor online searching, which found 87 percent of relevant titles versus 33 percent for manual search. A simple search strategy produced nearly as many citations as complex search, and over two-thirds of records came from two of 13 files searched. (EJS)

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)

Discusses the information database Britannica Online. Topics include compact discs versus online feeds; database delivery via the Internet; use of technology such as hyperlink, graphics, audio, and video; Britannica's search engine architecture; search options; user reactions, and costs. (AEF)