<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54ca70a1bac97_-_02-bbq-griddle-pan-470-0808-49282710.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/a3444/4277008/>