_:vb50958528	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/csv_copy/hash> .
_:vb50958527	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50958528 .
_:vb50958528	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"20" .
_:vb50958529	<http://www.w3.org/ns/r2rml#column>	"hash" .
_:vb50958527	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50958529 .
_:vb50958529	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"20" .
_:vb50958527	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"20" .