Examines the similarities, differences, and full-text features of the three most-used online systems for full-text searching in general libraries: DIALOG, Data-Star, and NEXIS. Overlapping databases, unique sources, search features, proximity operators, set building, language enhancement and word equivalencies, and display features are discussed.…

This description and comparison of the major economic statistical database services discusses such factors as public and proprietary data, value-added services, user training and support, data specialties, and pricing. (CLB)

This overview of the available government and defense online databases divides them into the categories of research and development and market intelligence and describes the contents of each database. A listing of the online producers and providers, starting dates of files, and update frequency is provided. (CLB)

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)

Describes six leading numeric databank services and compares them with bibliographic databases in terms of customers' needs, search software, pricing arrangements, and the role of the search specialist. A listing of the locations of the numeric databanks discussed is provided. (CLB)

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)

Assesses what the Internet can do for legal researchers compared to the LEXIS and WESTLAW commercial online services. Highlights include the United States Code, Code of Federal Regulations, Supreme Court decisions, directories of lawyers and law firms, state law, Congressional information, and listservs and newsgroups. (LRW)

Updates an October 1987 article on full-text databases. Comparisons of numbers of titles online, types of full-text files, currency, multipart articles, selection criteria, completeness, and editorial policies demonstrates much improvement but shows many companies still do not include every article. A chart lists 13 full-text features of 10…

Describes consumer or business-oriented online services that provide access to current news information and offers a less expensive alternative to standard online databases. Online clipping services are discussed, their costs are examined, and profiles of five services are compared: CompuServe, CompuServe as a gateway to IQuest, DELPHI, DIALCOM,…

Compares Wilson's database tape and the IAC "Expanded Academic Index" as explored by librarians in the State University System of Florida. Features addressed include journal coverage; abstracts and full text; subject headings, including consistency versus precision and controlled vocabularies; search software; disk storage requirements;…