<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.foroatletismo.com/foro/puls-metros/43902-necesito-consejo-banda-pectoral-pulso-o-de-pulsera-para-usar-con-movil-android.html>