Describes a computer-based information retrieval and electronic messaging system produced by Control Data Corporation now being used by government agencies and other organizations. Background of Local Government Information Network (LOGIN), database structure, types of LOGIN units, searching LOGIN (intersect, display, and list commands), and how…

Reviews the Avery Index to Architectural Periodicals, an online special database of the Research Libraries Information Network that analyzes the contents of journals, listing only those articles dealing with architecture. Access and fees, access points, browsing, and search strategies are covered and examples are given. (EJS)

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)

Describes World Wide Web (WWW), a client/server system for use with electronic information. Topics discussed include HyperText Markup Language; Wide Area Information Servers (WAIS); Gopher; Uniform Resource Locator; creating a hypertext version of an electronic journal; and developing a library information system. (Contains six references.) (LRW)