_:vb50780129	<http://www.w3.org/ns/r2rml#template>	"mailto:{email}" .
_:vb50780128	<http://www.w3.org/ns/r2rml#predicateMap>	_:vb50780127 .
_:vb50780128	<http://www.w3.org/ns/r2rml#objectMap>	_:vb50780129 .
_:vb50780127	<http://www.w3.org/ns/r2rml#constant>	<http://xmlns.com/foaf/0.1/mbox> .
_:vb50780129	<http://www.w3.org/ns/r2rml#termType>	<http://www.w3.org/ns/r2rml#IRI> .