<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://peru.com/actualidad/economia-y-finanzas/dolar-cerro-sin-variacion-jornada-que-intervino-bcr-noticia-111073>