<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.dimmicosacerchi.it/forum/cestino-vf21/sei-un-cliente-vodafone-zero-limits-per-te-christmas-card-messaggi-gratis-15-01-2011-a-vt21870.html>