<https://www.pirsch.lu/forum/decouvrez-votre-forum/nd-again-did-not-practice-on-friday-de>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.pirsch.lu/forum/decouvrez-votre-forum/nd-again-did-not-practice-on-friday-de>