<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x430/54cac6e469ba3_-_household-02-0711-xln.jpg>
<http://www.popularmechanics.com/science/health/g546/5-places-in-your-home-that-are-breeding-superbugs/>