<https://blog.leaseweb.com/2016/02/03/managing-and-scaling-globally-the-good-the-bad-and-the-ugly/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://blog.leaseweb.com/2016/02/03/managing-and-scaling-globally-the-good-the-bad-and-the-ugly/>