<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2014/08/07/140807064300_ebola_liberia_464x261_ap.jpg>
<http://www.bbc.com/mundo/ultimas_noticias/2014/08/140807_ultnot_ebola_liberia_estado_emergencia_jp.shtml>