_:vb50967783	<http://www.w3.org/ns/r2rml#joinCondition>	_:vb50967784 .
_:vb50967784	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"174" .
_:vb50967784	<http://www.w3.org/ns/r2rml#child>	"ShipperID" .
_:vb50967783	<http://www.w3.org/ns/r2rml#parentTriplesMap>	<urn:demo:r2rml:northwind:tables#TriplesMapOrders> .
_:vb50967784	<http://www.w3.org/ns/r2rml#parent>	"ShipVia" .
_:vb50967783	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"174" .