<https://maurizio.mavida.com/2006/10/08/barcamp-torino-sabato-2-dicembre-2006/#richSnippet>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://maurizio.mavida.com/2006/10/08/barcamp-torino-sabato-2-dicembre-2006/>