<https://www.forumdz.com/topic/7587-sondagepr%C3%A9sidentielles-2009/#comment-57381>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.forumdz.com/topic/7587-sondagepr%C3%A9sidentielles-2009/>