_:vb50985502	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50985503 .
_:vb50985502	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50985504 .
_:vb50985504	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"258" .
_:vb50985503	<http://www.w3.org/ns/r2rml#constant>	<http://www.openlinksw.com/schemas/crunchbase#created_at> .
_:vb50985503	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"258" .
_:vb50985504	<http://www.w3.org/ns/r2rml#column>	"created_at" .
_:vb50985502	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"258" .