_:vb50966644	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50966643 .
_:vb50966644	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50966645 .
_:vb50966643	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/NorthwindDemo/largeflagdavresourceuri> .
_:vb50966645	<http://www.w3.org/ns/r2rml#column>	"LargeFlagDAVResourceURI" .