<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/11/480x640/54fdf6c22bef9-rbk-balsamic-vinaigrette-recipe-1-0711-orpnfi-msc.jpg>
<http://www.delish.com/cooking/g1336/homemade-salads-dressings/?src=shelter_footer>