@prefix rdf: . @prefix ecrm: . rdf:type ecrm:E21_Person . @prefix rdfs: . rdfs:label "Diogenes RIVAS" . @prefix foaf: . foaf:name "Diogenes RIVAS" ; ecrm:P131_is_identified_by "RIVAS, Diogenes" ; foaf:surname "RIVAS" .