<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54ff105c1c32d-0811-lenovo-ideapad-u260-laptop-xl.jpg>
<http://www.goodhousekeeping.com/institute/g626/ghri-everyday-essentials/>