_:vb50992821	<http://www.w3.org/ns/r2rml#column>	"created_at" .
_:vb50992821	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"177" .
_:vb50992820	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"177" .
_:vb50992819	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50992820 .
_:vb50992820	<http://www.w3.org/ns/r2rml#constant>	<http://www.openlinksw.com/schemas/crunchbase#createdAt> .
_:vb50992819	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50992821 .
_:vb50992819	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"177" .