_:vb50417931	<http://www.w3.org/ns/r2rml#column>	"im_rat_seit" .
_:vb50417931	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"113" .
_:vb50417931	<http://www.w3.org/ns/r2rml#datatype>	<http://www.w3.org/2001/XMLSchema#date> .