<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/61348000/jpg/_61348096_computerscreenpretalk_reuters.jpg>
<http://www.bbc.co.uk/news/world-18702455?postid=112965845>