<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.biobiochile.cl/noticias/2012/04/23/obras-de-conservacion-de-camino-quepe-boroa-registran-avance-en-region-de-la-araucania.shtml>