<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/11/54fdf79adea0b-t-potato-salad-with-barley-arugula-recipe-wdy1214-drcp7p-s2.jpg>
<http://www.delish.com/entertaining/g2360/potato-salad-recipes/>