A survey of reference librarians working in 114 public libraries in metropolitan Chicago was conducted in 1983 to determine their acceptance of specific community information and referral (I&R) services, as defined by Thomas Childers in his nationwide survey of public libraries in 1978. A total of 106 responses to the 1983 survey were…

Reports on an evaluation of the higher levels of California's statewide reference referral network that involved an unobtrusive method utilizing existing records of actual reference transactions evaluated by panel of judges. Reference evaluation methods, findings of other studies, and other uses of the method are discussed. (Nineteen references…

Presents a description of PLEXUS, an expert system on gardening designed as a referral tool for public libraries by the University of London. Highlights include determining user characteristics, developing the problem statement, the use of semantic categories, and search strategies that modify the original problem statement using Boolean…

Describes PLEXUS, an expert system for information retrieval related to gardening, designed at the University of London for use in public libraries. Focusing on the semantic problems encountered, methods used in artificial intelligence and information science to resolve them are discussed, including classification and facet analysis. (Author/LRW)