A REFERENCE AND REFERRAL SYSTEM USING EXPERT SYSTEM TECHNIQUES Available to Purchase

The issues involved in the construction of an expert system for retrieval are described, together with some of the techniques that have been used in artificial intelligence and information science to tackle them. The solutions adopted by the prototype expert system PLEXUS are described, with particular reference to the semantic processing that takes place. The paper concludes with a discussion of continuing issues on which work is currently proceeding.