_:vb54192	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb54193 .
_:vb54194	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"63" .
_:vb54192	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"63" .
_:vb54194	<http://www.w3.org/ns/r2rml#column>	"LastName" .
_:vb54193	<http://www.w3.org/ns/r2rml#constant>	<http://demo.openlinksw.com/schemas/School/lastname> .
_:vb54193	<http://www.openlinksw.com/schemas/virtrdf#bnode-row>	"63" .
_:vb54192	<http://www.w3.org/ns/r2rml#objectMap>	_:vb54194 .