_:vb50935829	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50935828 .
_:vb50935828	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/School/courseid> .
_:vb50935829	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50935830 .
_:vb50935830	<http://www.w3.org/ns/r2rml#column>	"CourseID" .