<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe722f8377f-higgerson-yates-after-ds-de.jpg>
<http://www.goodhousekeeping.com/health/diet-nutrition/a16023/diet-success-higgerson-yates-1004/>