<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mecambioamac.com/retro-pinball-outdoors-sports-gps-passdirector-y-mas-aplicaciones-para-ipad-e-iphone-gratis-por-tiempo-limitado-27-de-abril/>