<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f8b66c2120f_-_baked-eggs-polenta-chunky-vegetable-sauce-de.jpg>
<http://www.delish.com/cooking/a38147/vegetarian-casseroles/?src=shelter_footer>