_:vb50992591	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50992592 .
_:vb50992591	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"67" .
_:vb50992591	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50992593 .
_:vb50992592	<http://www.w3.org/ns/r2rml#constant>	<http://www.openlinksw.com/schemas/crunchbase#degreeStartedOn> .
_:vb50992593	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"67" .
_:vb50992592	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"67" .
_:vb50992593	<http://www.w3.org/ns/r2rml#column>	"started_on" .