<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/NewsArticle>
<http://www.biobiochile.cl/noticias/2015/10/20/alcalde-de-nueva-york-le-declara-la-guerra-a-la-marihuana-sintetica-o-k2.shtml>