_:vb50809768	<http://www.w3.org/ns/r2rml#language>	"de" .
_:vb50809766	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50809768 .
_:vb50809768	<http://www.w3.org/ns/r2rml#column>	"messtischblatt_nr" .
_:vb50809766	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50809767 .
_:vb50809767	<http://www.w3.org/ns/r2rml#constant>	<http://rs.tdwg.org/dwc/terms/georeferenceSources> .