_:vb50802707	<http://www.w3.org/ns/r2rml#predicate>	<http://schema.org/foundingDate> .
_:vb50802708	<http://www.w3.org/ns/r2rml#datatype>	<http://www.w3.org/2001/XMLSchema#date> .
_:vb50802707	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50802708 .
_:vb50802708	<http://www.w3.org/ns/r2rml#column>	"gruendung" .