_:vb50987754	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50987755 .
_:vb50987755	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"50" .
_:vb50987754	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"50" .
_:vb50987755	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindQA/address> .
_:vb50987756	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"50" .
_:vb50987756	<http://www.w3.org/ns/r2rml#column>	"Address" .
_:vb50987754	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50987756 .