<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/980x1475/54ebca28b56b9_-_02-thumb-s2.jpg>
<http://www.womansday.com/food-recipes/cooking-tips/tips/g1389/food-measurements/?src=shelter_footer>