_:vb50999613	<http://www.w3.org/2007/05/powder-s#describedby>	<https://demo.openlinksw.com/about/id/entity/http/www.w3.org/2004/02/skos/core> .
_:vb50999613	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/2004/02/skos/core#Collection> .
_:vb50999613	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .