<artificial intelligence> (KBS) A program for extending and/or querying a knowledge base.
The related term expert system is normally used to refer to a highly domain-specific type of KBS used for a specialised purpose such as medical diagnosis.
The Cyc project is an example of a large KBS.
Try this search on Wikipedia, OneLook, Google
Nearby terms: knowledge « Knowledge Analysis and Design System « knowledge base « knowledge-based system » knowledge level » Knowledge Management System » Knowledge Query and Manipulation Language