_:vb50990247	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50990249 .
_:vb50990248	<http://www.w3.org/ns/r2rml#constant>	<http://schema.org/mainEntityOfPage> .
_:vb50990249	<http://www.w3.org/ns/r2rml#column>	"cb_url" .
_:vb50990247	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50990248 .
_:vb50990247	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"84" .
_:vb50990248	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"84" .
_:vb50990249	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"84" .