<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x516/54feeaaa274b0-0812-toshiba-z835-ultrabook-xl.jpg>
<http://www.goodhousekeeping.com/electronics/laptop-reviews/g342/best-ultrabooks/>