<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/technology/gadgets/reviews/g1215/7-water-loving-gadgets-to-pump-up-your-pool-party/>