<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.forodecostarica.com/discusion-general/112326-gente-sera-buscarme-un-problema-la-pura-bulla-si-hago-lo-q-estoy-pensando-hacer.html>