 that sets the conceptual stage for the administrative tasks presented in the following sections.</p>
<h2>
	Cyc as a Software System</h2>
<p>
	Cyc is a common-sense knowledge base and machine-reasoning system. A knowledge base system is in many ways very similar to a relational database server. Among the similarities are:</p>
<ol><li>
		There is a centralized server component.</li>
<li>
		The two main modes of interaction consist of updating information and answering queries (or performing inference, in the