<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://eichikawa.com/2013/01/oficina-de-intereses-de-eeuu-en-la-habana-concurso-para-ganar-credito-en-su-telefono-celular.html>