<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.tradingunited.es/foro/conseguir-mas-creditos/11430-primer-torneo-creditos-23.html?s=97fa391a31f40dba780b83b89e2e0a26>