<https://kafkaesqueblog.com/2014/04/14/stephane-humbert-lucas-777-oud-777/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://kafkaesqueblog.com/2014/04/14/stephane-humbert-lucas-777-oud-777/?shared=email&msg=fail>