_:vb50985021	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50985023 .
_:vb50985023	<http://www.w3.org/ns/r2rml#column>	"created_at" .
_:vb50985022	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"79" .
_:vb50985022	<http://www.w3.org/ns/r2rml#constant>	<http://www.openlinksw.com/schemas/crunchbase#created_at> .
_:vb50985023	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"79" .
_:vb50985021	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"79" .
_:vb50985021	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50985022 .