 more efficient Cyc-specific protocol.</p>
      <p>Cyc agents in a distributed architecture share knowledge describing
how they can be reached  (via which network address, port, and protocol)
and what their areas of expertise are.  During  inferencing, when an agent
tries to expand a formula whose content lies outside its area of  expertise,
it determines (by consulting its own knowledge base or consulting with a
central  knowledge-broker agent) whether another agent is available that
might be able to help