<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/76029000/jpg/_76029749_ardoyne_riots_on_the_12th_july_01.jpg>
<http://www.bbc.co.uk/news/uk-northern-ireland-27814194>