<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/74413000/jpg/_74413537_3_andy_warhol_venus_1985_awf.jpg>
<http://www.bbc.co.uk/news/technology-27141201>