<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://tecnogers.altervista.org/forum/sony-playstation-3-and-playstation-4-a/21581-xbox-one-vs-playstation-4-quale-console-di-gioco-e-la-migliore.html>