_:vb50968480	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50968482 .
_:vb50968482	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"28" .
_:vb50968481	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindQA/postalcode> .
_:vb50968480	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"28" .
_:vb50968480	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50968481 .
_:vb50968481	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"28" .
_:vb50968482	<http://www.w3.org/ns/r2rml#column>	"PostalCode" .