_:vb51194655	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb51194654 .
_:vb51194654	<http://www.w3.org/ns/r2rml#constant>	<http://www.w3.org/2000/01/rdf-schema#label> .
_:vb51194655	<http://www.w3.org/ns/r2rml#objectMap>	_:vb51194656 .
_:vb51194656	<http://www.w3.org/ns/r2rml#template>	"{first_name} {last_name}" .