_:na80400bb0f84464386db97d78344b2c5xb1
<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=a9d2fdd0fd83316687e375ba932afe74>