Describes Project Alexandria, a digital library initiative funded by the National Science Foundation based at the University of California, Santa Barbara, that provides online access to spatial data in a distributed environment with search options by areas of interest on a base map or by text, according to user preference. (Author/LRW)

Describes a prototype online search system called ASK (Assisted Search for Knowledge) that will provide Internet and dial-up access to an array of databases related to environmental and demographic change. The Global Change Data and Information system that is being organized by federal agencies is described. (Author/LRW)

Reports results of a study that used an online survey, focus groups, and logs of telnet connections to examine Internet use when accessed through the University of Toronto Library (Canada). Discusses needs of Internet users and reveals patterns of Internet use. An appendix contains the online survey. (JMV)

Describes the National Agricultural Library's microcomputer-based expert system, which is designed to help users obtain answers to simple reference questions. Building of the system and its linking to external programs and systems are explained, and building of a total information system is proposed. Samples of the program are provided. (CDD)

Analyzes the change that Internet-based OPACs (Online Public Access Catalogs) have represented to the structure, administration, and maintenance of the catalogs, retrieval systems, and user interfaces. Examines the structure of databases and traditional principles that have governed systems development. Discusses repercussions of the application…