@prefix rdf: . @prefix ecrm: . rdf:type ecrm:E21_Person . @prefix rdfs: . rdfs:label "J.harm PIETRAPERTOSA" . @prefix foaf: . foaf:name "J.harm PIETRAPERTOSA" ; ecrm:P131_is_identified_by "PIETRAPERTOSA, J.harm" ; foaf:surname "PIETRAPERTOSA" .