_:vb50960803	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50960804 .
_:vb50960802	<http://www.w3.org/ns/r2rml#constant>	<http://demo/schemas/ajv1216test4/region_name> .
_:vb50960804	<http://www.w3.org/ns/r2rml#column>	"Region_Name" .
_:vb50960803	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50960802 .