<https://secure.gravatar.com/avatar/89618a846029dec2252f4d77cda778e3?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://coach-materialen.nl/product/help-ik-ga-coachen-c1/>