<http://dati.senato.it/teseo/00003271> <http://www.w3.org/2004/02/skos/core#prefLabel> "BASE CONTRIBUTIVA"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://dati.senato.it/teseo/00003271> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2004/02/skos/core#Concept> .