Reviews business communications development and discusses business applications of satellite communications, system technology, and prospects for future developments in digital transmission systems. (JN)

Reviews the origin, current state of development, and subject coverage of the secondary access services available to American social scientists, including bibliographic services for the various academic disciplines and a large variety of specialized services for subdisciplines and interdisciplinary fields. A 10-item reference list accompanies the…

Text similarity measurements are used to determine relationships between natural-language texts and text excerpts. The resulting linked hypertext maps can be broken down into text segments and themes used to identify different text types and structures, leading to improved information access and utilization. Examples are provided for text…

Deals with the interaction of traditional library reference and the new services generated by online information retrieval capabilities. Described are the impact of online reference within the library context, problems resulting from implementation, and the librarian's influence on future prospects. (Author/SW)

Defining a numeric database as a computer-readable collection of data predominantly numeric in nature, this article reviews techniques and technologies having a positive influence on the growth of numeric databases, such as videotex, mini- and microcomputers, artificial intelligence, improved software, telecommunications, and office automation.…

A series of 11 articles describes information technologies being used in the U.S. Congress, the impact of these technologies, and possible future developments. Included are a chronology of key actions affecting congressional information support and a list of readings in information technology and Congress. (CLB)