knowledge base

from WordNet (r) 3.0 (2006)

knowledge base
    n 1: the content of a particular field of knowledge [syn:
         {knowledge domain}, {knowledge base}, {domain}]

from The Free On-line Dictionary of Computing (8 July 2008)

knowledge base

   <artificial intelligence> A collection of {knowledge}
   expressed using some formal {knowledge representation}
   language.  A knowledge base forms part of a {knowledge-based
   system} (KBS).

   (1994-10-19)