http://www.semantic-knowledge.com/doc/V70/text-analysis/quick-guide.htm
http://dotsub.com/mediacollection/a1a419c6-f103-4fd5-8b96-7f0cd03eae21
http://ontology.univ-savoie.fr/tricot/index.php?n=recherche/cs/realisations/demo/SystemFigureDesConnaissancesHumaines