<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://e.rpp-noticias.io/medium/2016/08/23/292929_226326.png>
<http://rpp.pe/multideportes/juegos-olimpicos/pagan-16000-en-una-subasta-por-una-zapatilla-firmada-por-usain-bolt-noticia-989215?ns_source=organico>