<p>The objectives of this component are to provide
  <li>a useable implementation of the UML metamodel to support the development of modeling tools</li>
  <li>a common XMI schema to facilitate interchange of semantic models</li>
  <li>test cases as a means of validating the specification</li>
  <li>validation rules as a means of defining and enforcing levels of compliance</li>
</ul></p>