 collection and paging representation
        </li>
        <li>
          Formalizing the namespace of the base vocabulary of object types and
          activity types
        </li>
        <li>
          Extensibility framework for other types and properties
        </li>
        <li>
          Compatibility with JSON-LD
        </li>
      </ul>

      <p>
        The terms <code>displayName</code>, <code>verb</code>,
        <code>title</code> and <code>objectType</code> should be treated as
        res