<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.dimmicosacerchi.it/forum/cestino-vf21/easyshop-20-buono-di-benvenuto-da-spendere-entro-il-22-09-2011-a-vt26648.html>