@prefix rdf: . @prefix ecrm: . rdf:type ecrm:E21_Person . @prefix rdfs: . rdfs:label "John Leman Rogeas" . @prefix foaf: . foaf:name "John Leman Rogeas" ; foaf:firstName "John Leman" ; ecrm:P131_is_identified_by "Rogeas, John Leman" ; foaf:surname "Rogeas" .