<https://forum.wacken.com/threads/muenster-westf-und-umgebung-thread.94044/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.wacken.com/threads/muenster-westf-und-umgebung-thread.94044/page-8826#post-10347765>