Considers the current trend in libraries toward live, or digital, reference services. Highlights include models for reference, including synchronous versus asynchronous; benefits for users; software packages; user expectations; suitability of the technology; and determining the best service for users and their information needs. (LRW)

Describes a project at Stanford University Library that was initiated to enhance user access to government documents collections by developing a prototype natural language computer-based aid. The development of an expert system, Government Documents Reference Aid (GDRA), is explained, and the application of expert systems in libraries is…