@prefix data: . @prefix schema: . @prefix : . @prefix foaf: . data:f33d5750-7d8d-3812-b720-106106c1582f schema:email "degalardfrederique@gmail.com" ; a :Agent, foaf:Agent . :hasContact data:f33d5750-7d8d-3812-b720-106106c1582f .