<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://amarillas.emol.com/de-la-guarda-refrigeraci\u00C3\u00B3n-y-calefacci\u00C3\u00B3n-angela-denisse-cabezas-perez>