<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.tradingunited.es/foro/estrategias-con-armonicos/12774-hilo-armonico-intradia-dieciseis-al-veinte-de-marzo-de-2015-a.html?s=a041103fed7d66175e784f577f8654f4>