<https://abapforum.com/forum/viewtopic.php?f=1&amp;t=26145dc5de6903196404bd4e6c68f7edf7471>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://abapforum.com/forum/viewtopic.php?f=1&t=26145&sid=dc5de6903196404bd4e6c68f7edf7471>