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.…

Provides reviews of 10 online databases: Consumer Reports; Public Opinion Online; Encyclopedia of Associations; Official Airline Guide Adventure Atlas and Events Calendar; CENDATA; Hollywood Hotline; Fearless Taster; Soap Opera Summaries; and Human Sexuality. (LRW)

This introduction to Database's annual review issue highlights trends covered in the 1991-93 reviews; lists 13 trends described as a continuation of the trends of the past 2 or 3 years; and discusses the World Wide Web and America Online's innovative development of a database that combines text, images, sound, and commentary. (KRN)

University Microfilms International (UMI) collects, creates, and preserves information from the fields of business, education, engineering, social science, and the popular media and makes it available in print and microform, as well as online, on CD-ROM, and on magnetic tape. The company also develops integrated information delivery systems. (KRN)

Discusses natural language retrieval systems, focusing on West Publishing Company's WIN (Westlaw Is Natural) system used with its case law database. Information retrieval models, the advantages and disadvantages of natural language retrieval, and the use of the approach by Congressional Quarterly's Washington Alert, Personal Librarian, and other…

Discusses online access to the "New York Times." Topics include full-text electronic versions, online newspapers, archival coverage, searching the archives, physical layout, electronic variations from the printed editions, electronic home delivery, and future possibilities. (LRW)

In the first of three articles, the producer of Energyline, Energynet, and Tele/Scope recalls the development of the databases and database business strategies. The second describes the development of biomedical online databases, and the third discusses future developments, including full text databases, database producers as online host, and…

Describes types of full-text databases in medicine; discusses features for searching full-text journal databases available through online vendors; reviews research on full-text databases in medicine; and describes the MEDLINE/Full-Text Research Project at the University of Missouri (Columbia) which investigated precision, recall, and relevancy.…

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…

Discussion of online databases and their hardware and software requirements, interactive search techniques, and costs focuses on information services of interest to higher education. Bibliographic, full-text, and online conferencing databases are described, menu-driven and command-driven information systems are explained, and modems are discussed.…

Describes the changes scientific abstracting and indexing services are making to develop new production systems for a marketplace which is influenced by the information superhighway and the demand for information in an electronic format. Descriptions are included of computer system and data input changes implemented by several database producers…