<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.foroatletismo.com/foro/compra-venta/31501-cambio-reproductor-mp-3-cown-d3-16-gb-micro-sd-de-32-gb-por-reloj-con-gps-madrid.html>