<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.dimmicosacerchi.it/forum/cestino-vf21/codice-sconto-modadoc-valido-fino-al-30-04-2011-a-vt24943.html>