<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/77334000/jpg/_77334515_c0215902-coloured_tem_of_the_ebola_virus-spl.jpg>
<http://www.bbc.com/news/world-africa-29055041>