<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.popularmechanics.com/military/g730/from-biplanes-to-top-gun-to-uavs-100-years-of-naval-flight/>