<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ffdec9aeea2-kansas-city-style-ribs-recipe-0710.jpg>
<http://www.goodhousekeeping.com/institute/a24747/beer-and-wine-for-barbecue/>