-->
  <td></td> <!-- JSON -->
  <td></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></td> <!-- Bindings -->
  <td><img src="assets/images/tick.png"/></td> <!-- Invariants -->
  <td><img src="assets/images/tick.png"/><sup><b>1</b></sup></td> <!-- Profiles -->
  <td></td> <!-- Questionnaires -->
  <td></td> <!-- Business Rules -