_:vb50996740	<http://www.w3.org/ns/r2rml#column>	"created_at" .
_:vb50996739	<http://www.w3.org/ns/r2rml#constant>	<http://www.openlinksw.com/schemas/crunchbase#createdAt> .
_:vb50996740	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"60" .
_:vb50996738	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50996739 .
_:vb50996738	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50996740 .
_:vb50996738	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"60" .
_:vb50996739	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"60" .