_:vb50967575	<http://www.w3.org/ns/r2rml#column>	"Address" .
_:vb50967573	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"55" .
_:vb50967574	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindDemo/address> .
_:vb50967574	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"55" .
_:vb50967575	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"55" .
_:vb50967573	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50967575 .
_:vb50967573	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50967574 .