Provides an overview of factual data banks and full text files available on optical data disks. Each entry in the directory includes the name of the data bank or file; producer; distributor; frequency of updates; period covered; subscription price; and a summary of the contents. Addresses of producers and distributors are provided. (CLB)

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)

Defines the American Standard Code for Information Interchange (ASCII) full text, and reviews its past, present, and future uses in libraries. Discusses advantages, disadvantages, and uses of searchable and nonsearchable full-text databases. Also comments on full-text CD-ROM products and on technological advancements made by library vendors. (JMV)

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…