@prefix data: . @prefix schema: . @prefix : . @prefix foaf: . data:61eaf1e6-5115-3ed4-bd1f-432eb9779e75 schema:email "volacamp@yahoo.fr" ; a :Agent, foaf:Agent . :hasContact data:61eaf1e6-5115-3ed4-bd1f-432eb9779e75 .