_:vb50968459	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50968460 .
_:vb50968460	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindQA/customerid> .
_:vb50968461	<http://www.w3.org/ns/r2rml#column>	"CustomerID" .
_:vb50968459	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"21" .
_:vb50968460	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"21" .
_:vb50968461	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"21" .
_:vb50968459	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50968461 .