<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://edc.h-cdn.co/assets/cm/15/04/160x160/54bf6224ba422_-_06_electric_0-3.jpg>
<http://www.elledecor.com/shopping/home-accessories/a836/buying-guide-supplemental-heating-17134/>