<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ffcfaeecb2f-lg-luv400t-front-upright-200.jpg>
<http://www.goodhousekeeping.com/institute/a24168/lg-vacuum-cleaner/>