<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.dn.pt/dossiers/politica/caso-freeport/noticias/interior/caso-freeport-conclusao-antes-das-eleicoes-em-risco-1344974.html>