_:vb50960827	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50960826 .
_:vb50960826	<http://www.w3.org/ns/r2rml#constant>	<http://demo/schemas/ajv1216test4/iso_alpha3_code> .
_:vb50960828	<http://www.w3.org/ns/r2rml#column>	"ISO_alpha3_Code" .
_:vb50960827	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50960828 .