@prefix rdf: . @prefix ecrm: . rdf:type ecrm:E21_Person . @prefix rdfs: . rdfs:label "Vincenzo Thoma" . @prefix foaf: . foaf:name "Vincenzo Thoma" ; foaf:firstName "Vincenzo" ; ecrm:P131_is_identified_by "Thoma, Vincenzo" ; foaf:surname "Thoma" .