<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://rpp.pe/virales/youtube/youtube-steve-jobs-y-el-dia-que-presento-el-primer-iphone-noticia-999890?ns_source=organico>