_:vb50823822	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/entity/http/richard.cyganiak.de/foaf.rdf> .
_:vb50823822	<http://xmlns.com/foaf/0.1/name>	"Paolo Castagna" .