_:vb51208519	<http://www.w3.org/2007/05/powder-s#describedby>	<https://demo.openlinksw.com/about/id/entity/http/demo.openlinksw.com/r2rml_claude_2> .
_:vb51208519	<http://www.w3.org/ns/r2rml#datatype>	<http://www.w3.org/2001/XMLSchema#date> .
_:vb51208520	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/claude_northwind#graph> .
_:vb51208518	<http://www.w3.org/ns/r2rml#objectMap>	_:vb51208519 .
_:vb51208519	<http://www.w3.org/ns/r2rml#column>	"OrderDate" .
_:vb51208520	<http://www.w3.org/2007/05/powder-s#describedby>	<https://demo.openlinksw.com/about/id/entity/http/demo.openlinksw.com/r2rml_claude_2> .
_:vb51208518	<http://www.w3.org/ns/r2rml#graphMap>	_:vb51208520 .
_:vb51208518	<http://www.w3.org/2007/05/powder-s#describedby>	<https://demo.openlinksw.com/about/id/entity/http/demo.openlinksw.com/r2rml_claude_2> .
_:vb51208518	<http://www.w3.org/ns/r2rml#predicate>	<http://schema.org/orderDate> .