@prefix data: . @prefix schema: . @prefix : . @prefix foaf: . data:d22d988b-20ab-38d6-9bc3-8b24f8ac5766 schema:email "rabettebeatrice@gmail.com" ; a :Agent, foaf:Agent . :hasContact data:d22d988b-20ab-38d6-9bc3-8b24f8ac5766 .