<https://www.foudart-blog.com/post/le-point>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.foudart-blog.com/post/le-point?fbclid=IwAR1Oob0UdtwYbuKutfWEsEgINGEia9uSwuwyymrgMdVZW0IVHwMuXKfPVDk>