_:vb50991125	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50991127 .
_:vb50991125	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50991126 .
_:vb50991126	<http://www.w3.org/ns/r2rml#constant>	<http://schema.org/mainEntityOfPage> .
_:vb50991127	<http://www.w3.org/ns/r2rml#column>	"cb_url" .
_:vb50991125	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"84" .
_:vb50991126	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"84" .
_:vb50991127	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"84" .