_:vb50827004	<http://www.w3.org/2007/05/powder-s#describedby>	<http://demo.openlinksw.com/about/id/entity/http/www.w3.org/TR/powder-dr/dr-example_2_10_2.rdf> .
_:vb50827004	<http://www.w3.org/2002/07/owl#onProperty>	<http://www.w3.org/2007/05/powder-s#matchesregex> .
_:vb50827004	<http://www.w3.org/2002/07/owl#hasValue>	"\\:\\/\\/(([^\\/\\?\\#]*)\\@)?([^\\:\\/\\?\\#\\@]+\\.)?(books\\.example\\.com)(\\:([0-9]+))?\\/"^^<http://www.w3.org/2001/XMLSchema#string> .
_:vb50827004	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .