@prefix data: . @prefix schema: . @prefix : . @prefix foaf: . data:3e7fa5a4-b548-3abb-b086-0b454945089e schema:email "franck.cheyer@dbmail.com" ; a :Agent, foaf:Agent . :hasContact data:3e7fa5a4-b548-3abb-b086-0b454945089e .