@prefix data: . @prefix schema: . @prefix : . @prefix foaf: . data:b53c3cfe-29bb-3d0c-abc0-7a231b5db2c5 schema:email "juraquette@free.fr" ; a :Agent, foaf:Agent . :hasContact data:b53c3cfe-29bb-3d0c-abc0-7a231b5db2c5 .