_:vb51199285	<http://www.w3.org/2007/05/powder-s#describedby>	<https://demo.openlinksw.com/about/id/entity/https/virtuoso.openlinksw.com/data/turtle/general/VirtuosoHowTos-Extra.ttl> .
_:vb51199285	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://schema.org/Person> .