<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://sev.h-cdn.co/assets/cm/15/07/54db983c6b433_-_sev-uc-davis-nice-weather-blog.jpg>
<http://www.seventeen.com/life/school/advice/a17663/puppies-youtube-love/>