<https://secure.gravatar.com/avatar/34a47f5572a6d0f864608d8137497971?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://akeyi.de/lets-play-das-recruiting-game-von-lean-ocean/>