_:vb50994683	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50994685 .
_:vb50994684	<http://www.w3.org/ns/r2rml#constant>	<http://schema.org/mainEntityOfPage> .
_:vb50994683	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50994684 .
_:vb50994685	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"58" .
_:vb50994685	<http://www.w3.org/ns/r2rml#column>	"cb_url" .
_:vb50994684	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"58" .
_:vb50994683	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"58" .