<http://schema.org/description>
"http://www.internetfestival.it/urban-sensing-open-data-e-spazio-pubblico-osservare-in-tempo-reale-la-vita-di-una-citta/"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.artisopensource.net/2013/10/04/innovation-ecosystems-internet-festival/>