<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe2e9f4a5c6-vitiello-after-ds-de.jpg>
<http://www.goodhousekeeping.com/health/diet-nutrition/a12805/diet-success-vitiello-0305/>