@prefix data: . @prefix schema: . @prefix : . @prefix foaf: . data:4ff4c16a-df00-3f35-baa1-88f933e9770a schema:email "o.t.premery@gmail.com" ; a :Agent, foaf:Agent . :hasContact data:4ff4c16a-df00-3f35-baa1-88f933e9770a .