_:vb50968262	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50968263 .
_:vb50968263	<http://www.w3.org/ns/r2rml#column>	"Notes" .
_:vb50968261	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindQA/notes> .
_:vb50968262	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50968261 .