@prefix rdf: . @prefix ns1: . @prefix ecrm: . ns1:aa7ca9af-1521-3da8-b363-11219c9d3d38 rdf:type ecrm:E21_Person . @prefix rdfs: . ns1:aa7ca9af-1521-3da8-b363-11219c9d3d38 rdfs:label "Calixto Alvarez" . @prefix foaf: . ns1:aa7ca9af-1521-3da8-b363-11219c9d3d38 foaf:name "Calixto Alvarez" ; foaf:firstName "Calixto" ; ecrm:P131_is_identified_by "Alvarez, Calixto" ; foaf:surname "Alvarez" .