_:vb50992781	<http://www.w3.org/ns/r2rml#column>	"created_at" .
_:vb50992779	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50992781 .
_:vb50992781	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"154" .
_:vb50992780	<http://www.w3.org/ns/r2rml#constant>	<http://www.openlinksw.com/schemas/crunchbase#createdAt> .
_:vb50992779	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50992780 .
_:vb50992780	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"154" .
_:vb50992779	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"154" .