<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/320x400/54eb8f8518c76_-_paging-doctor-dog.jpg>
<http://www.womansday.com/life/pet-care/g527/2011-halloween-pet-photo-contest-winners-124740/>