<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f64f14b57c7_-_chicago-hot-dog-salad-recipe-ghk0613-udnlom-de.jpg>
<http://www.delish.com/cooking/g483/best-hot-dogs/>