/td> <!-- Profiles -->
  <td></td> <!-- Questionnaires -->
  <td></td> <!-- Business Rules -->
 </tr>

 <tr>
  <td><a href="rdf.html#schema">ShEx</a></td>
  <td></td> <!-- XML -->
  <td></td> <!-- JSON -->
  <td><img src="assets/images/tick.png"/></td> <!-- RDF -->
  <td><img src="assets/images/tick.png"/></td> <!-- Structure -->
  <td><img src="assets/images/tick.png"/></td> <!-- Cardinality -->
  <td><img src="assets/images/tick.png"/></td> <!-- Values -->
  <td><img src="assets/images/tick.p