<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x551/548f343bce4ed_-_rbk-organizing-tips-0113-18-s2.jpg>
<http://www.redbookmag.com/home/g617/organizing-ideas/>