@prefix data: . @prefix schema: . @prefix : . @prefix foaf: . data:c7344a68-ac07-3f87-98b4-0e2cc9667ad3 schema:email "jeanpierre.perruchot@free.fr" ; a :Agent, foaf:Agent . :hasContact data:c7344a68-ac07-3f87-98b4-0e2cc9667ad3 .