_:vb50935857	<http://www.w3.org/ns/r2rml#column>	"Administrator" .
_:vb50935856	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50935855 .
_:vb50935855	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/School/administrator> .
_:vb50935856	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50935857 .