<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/52663000/jpg/_52663062_t7250169-atlantic_cod_caught_on_a_fishing_hook-spl.jpg>
<http://www.bbc.co.uk/news/science-environment-14133913>