<https://www.dakar-derooy.com/envira/workshop-november-2017/workshop-november-2017-22/#breadcrumblist>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.dakar-derooy.com/envira/workshop-november-2017/workshop-november-2017-22/>