<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.dimmicosacerchi.it/forum/angolo-delle-chiacchiere-vf88/12579-quello-che-ti-sta-frullando-per-la-testa-253.html>