_:nc45c859ec51549e5ae4341381b04fab6xb1
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.cc-forum.uni-hamburg.de/forum/search.php?search_id=active_topics&sid=3c1534e08e9bcaa7757e9bca544543bd>