<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/74861000/jpg/_74861118_c0180939-quantum_computer,_conceptual_artwork-spl.jpg>
<http://www.bbc.com/news/science-environment-27264552>