_:vb50780552	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/entity/http/www.ontologia.fr/OTB/krater.rdf> .
_:vb50780552	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .
_:vb50780552	<http://www.w3.org/2002/07/owl#someValuesFrom>	<http://www.w3.org/2001/XMLSchema#string> .
_:vb50780552	<http://www.w3.org/2002/07/owl#onProperty>	<http://www.ontologia.fr/OTB/krater#type_of_material> .