Union catalogs and distributed search systems are two ways users can locate materials in print and electronic formats. This article examines the advantages and limitations of both approaches and argues that they should be considered complementary rather than competitive. Discusses technologies creating linkage between catalogs and databases and…

Describes the TIS Intelligent Gateway, developed at the Lawrence Livermore National Laboratory, which uses an extensible meta-machine approach to accommodate unlimited target resources, and provides a universal user interface to simplify communications between the user and target resources. (6 references) (Author/CLB)

Examines competing, commercially developed electronic mail programs and how these technologies will affect the functionality and quality of electronic mail. How new standards for client-server mail systems are likely to enhance messaging capabilities and the use of electronic mail for information retrieval are considered. (Contains eight…