<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f65ee9883f8_-_201001-r-asian-salmon-with-noodles-96846549.jpg>
<http://www.delish.com/cooking/g967/bok-choy-recipes/>