>
      </big></p>
      </td>
    </tr>
    <tr>
      <td style="vertical-align: top; width: 150px;"><a
 href="http://suo.ieee.org/IFF/metalevel/lower/namespace/type-language/version20021205.pdf">Languages</a><br>
      </td>
      <td style="vertical-align: top; width: 150px;">(95 pages)<br>
      </td>
      <td colspan="1" rowspan="4"
 style="vertical-align: top; width: 300px;"><a
 href="http://suo.ieee.org/IFF/metalevel/lower/metatheory/ontology/version20021205.pdf">Category
Theory of Ontologies</a><b