<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Organization>
<http://www.businessonline.it/news/46506/elezioni-sondaggi-clandestini-aggiornati-e-programmi-candidati-milano-roma-napoli-torino-bologna-parisi-sala-raggi-fassino.html>