_:vb50967684	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindDemo/requireddate> .
_:vb50967683	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50967684 .
_:vb50967683	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"119" .
_:vb50967683	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50967685 .
_:vb50967684	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"119" .
_:vb50967685	<http://www.w3.org/ns/r2rml#column>	"RequiredDate" .
_:vb50967685	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"119" .