_:vb39843	<http://www.w3.org/ns/r2rml#column>	"system_en" .
_:vb39843	<http://www.w3.org/ns/r2rml#language>	"en" .
_:vb39841	<http://www.w3.org/ns/r2rml#objectMap>	_:vb39843 .
_:vb39841	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb39842 .
_:vb39842	<http://www.w3.org/ns/r2rml#constant>	<http://rs.tdwg.org/dwc/terms/latestPeriodOrHighestSystem> .