<https://forum.de.grepolis.com/index.php?threads/spion-in-der-allianz.25491/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://de.forum.grepolis.com/index.php?threads/spion-in-der-allianz.25491/#post-347921>