<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54c87e6c7335a_-_fujifilm-finepix-f40fd-0707.jpg>
<http://www.popularmechanics.com/technology/gadgets/how-to/a1857/4218937/>