@prefix data: . @prefix schema: . @prefix : . @prefix foaf: . data:001e1510-34a2-35d9-9e9b-ba9e31ff3202 schema:email "gospel_harmony@yahoo.fr" ; a :Agent, foaf:Agent . :hasContact data:001e1510-34a2-35d9-9e9b-ba9e31ff3202 .