<http://opengraphprotocol.org/schema/>	<http://www.openlinksw.com/schema/attribution#hasNamespacePrefix>	"og" .
<http://lodserver.iula.upf.edu/about/id/http/www.w3.org/TR/2004/REC-owl-features-20040210/>	<http://www.openlinksw.com/schema/attribution#isDescribedUsing>	<http://opengraphprotocol.org/schema/> .
<http://opengraphprotocol.org/schema/>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.openlinksw.com/schema/attribution#DataSource> .