@prefix rdf: . @prefix ns1: . @prefix ecrm: . ns1:b2006821-7c4a-3b44-91fc-c4da39458f1f rdf:type ecrm:E21_Person . @prefix rdfs: . ns1:b2006821-7c4a-3b44-91fc-c4da39458f1f rdfs:label "Lorentz" . @prefix foaf: . ns1:b2006821-7c4a-3b44-91fc-c4da39458f1f foaf:name "Lorentz" ; ecrm:P131_is_identified_by "Lorentz" ; foaf:surname "Lorentz" .