<https://secure.gravatar.com/avatar/310991e741edf3b7a9df378af355793a?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://dataconomy.com/2015/03/pyramid-analytics-just-tripled-their-customer-base-again/>