<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/54971000/jpg/_54971888__48206693_addenbrookes.jpg>
<http://www.bbc.co.uk/news/uk-england-cambridgeshire-28143227>