<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/768x1023/548b52fcc312d_-_rbk-salad-formula-0613-1-s2.jpg>
<http://www.redbookmag.com/food-recipes/recipes/g1707/salad-and-dressing-recipes/>