_:vb50711983	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50711984 .
_:vb50711985	<http://www.w3.org/ns/r2rml#constant>	"BGR" .
_:vb50711983	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50711985 .
_:vb50711984	<http://www.w3.org/ns/r2rml#constant>	<http://rs.tdwg.org/dwc/terms/institutionCode> .