<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.dimmicosacerchi.it/forum/cestino-vf21/qui-risparmio-mensile-sul-risparmio-e-diritto-del-cittadino-pdf-vt4444.html>