<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/80318000/gif/_80318771_iraq_syria_oil_624_16_01_15.gif>
<http://www.bbc.co.uk/news/world-middle-east-27838034>