@prefix data: . @prefix schema: . @prefix : . @prefix foaf: . data:5bacdead-fc4d-3b02-a1c4-777ba939e50a schema:email "mjcancerville@orange.fr" ; a :Agent, foaf:Agent . :hasContact data:5bacdead-fc4d-3b02-a1c4-777ba939e50a .