_:vb50967772	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50967774 .
_:vb50967774	<http://www.w3.org/ns/r2rml#column>	"ShipperID" .
_:vb50967773	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindDemo/shipperid> .
_:vb50967774	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"171" .
_:vb50967773	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"171" .
_:vb50967772	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50967773 .
_:vb50967772	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"171" .