<https://help.hitachivantara.com/Documentation/Pentaho/5.2/0N0/110/040/060/000/020>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://help.hitachivantara.com/Documentation/Pentaho/5.2/0N0/110/040/060/000/020>