_:ncbc8f652c8694fb8af4d89d6ca25f68bxb0
<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=767f50f071d56b1bb51cdcde6d8c69b3>