_:vb50967561	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50967562 .
_:vb50967563	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"51" .
_:vb50967562	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"51" .
_:vb50967561	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50967563 .
_:vb50967562	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindDemo/customerid> .
_:vb50967563	<http://www.w3.org/ns/r2rml#column>	"CustomerID" .
_:vb50967561	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"51" .