<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x400/54cb1e849e2ba_-_lenovo-02-1013-de.jpg>
<http://www.popularmechanics.com/technology/gadgets/a12693/lenovo-unveils-the-yoga-tablet-16099130/>