<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<http://www.cellularmagazine.it/blog/17736/adblock-dal-chrome-web-store-browser-chrome-lapp-che-nasconde-le-pubblicita-di-tutte-le-pagine-web-facebook-youtube/>