<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/AggregateRating>
<http://www.businessonline.it/news/21153/Legge-di-Stabilita-Service-Tax-al-posto-dell-Imu-Le-novita-possibili-da-Governo-Letta.html>