<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.tradingunited.es/foro/trading-en-general/14508-cuanto-dinero-necesitas-del-forex-vivir-tu-pais.html?s=469718be6d4fa82ad8b45178cfbeedd8>