<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/14/51/980x490/548fafbd7d4dc_-_rbk-calorific-food-app-lgn.jpg>
<http://www.redbookmag.com/body/healthy-eating/advice/g614/lose-weight-apps-tools/>