<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54feae5652d44-salmon-with-citrus-spice-glaze-0611-xl.jpg>
<http://www.goodhousekeeping.com/food-recipes/g210/summer-grilling-cookbook/>