<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://tecnogers.altervista.org/forum/galoppo/7489-tqq-san-giovanni-teatino-trotto-martedi-16-06-2015-partenza-ore-19-00-tris-qu.html>