<https://forum.nextinpact.com/topic/3015-~~-le-topic-de-didi-kiki-mimi-et-phiphi-~~/page/859/#comment-1801734>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://forum.nextinpact.com/topic/3015-~~-le-topic-de-didi-kiki-mimi-et-phiphi-~~/page/859/>