<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x240/54cb041288bba_-_on-board-shells-kulluk-oil-rig-07-0102-de.jpg>
<http://www.popularmechanics.com/science/energy/g1050/on-board-shells-kulluk-oil-rig/>