Presents an operational definition of personal information retrieval systems and describes design principles of current applications and existing systems, current trends, and research guidelines for general design principles. (4 references) (Author/CLB)

Describes the use of machine aided indexing as part of NASA's information systems. The discussion covers reasons for incorporating machine aided indexing, the lexical dictionary used, subject switching, natural language processing, benefits to the system, and possible future developments. (CLB)

The impact of emerging information technologies on the information industry is discussed in four papers. Topics covered include electronic delivery of full text primary literature; a brief evaluation of new information processing technologies and software; networking technologies; and the use of gateway technologies to create new products and…