_:vb50809765	<http://www.w3.org/ns/r2rml#column>	"messtischblatt_name" .
_:vb50809763	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50809764 .
_:vb50809763	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50809765 .
_:vb50809765	<http://www.w3.org/ns/r2rml#language>	"de" .
_:vb50809764	<http://www.w3.org/ns/r2rml#constant>	<http://rs.tdwg.org/dwc/terms/georeferenceSources> .