_:vb50968538	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindQA/countrycode> .
_:vb50968539	<http://www.w3.org/ns/r2rml#column>	"CountryCode" .
_:vb50968537	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"50" .
_:vb50968537	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50968538 .
_:vb50968539	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"50" .
_:vb50968537	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50968539 .
_:vb50968538	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"50" .