<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ffdec943e01-hawaiian-grilled-shrimp-salad-recipe-ghk0613.jpg>
<http://www.goodhousekeeping.com/institute/a24747/beer-and-wine-for-barbecue/>