<https://www.digitalschool.com/blog/social-trends/realpeople-nuovo-feed-bereal-alla-ricerca-di-rilevanza/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.digitalschool.com/blog/social-trends/realpeople-nuovo-feed-bereal-alla-ricerca-di-rilevanza/>