<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.tradingunited.es/foro/trading-automatico-eas-indicadores-y-scripts/7725-que-requisitos-debe-buen-programador-de-ea.html?s=d50472f5fa812208d10b366b50edd00b>