Fakir Youssef, Ahle Touate Chaima, Elayachi Rachid, Fakir Mohamed, Closed Frequent Itemsets Mining Based on It-Tree, Journal of Medical Informatics and Decision Making, Volume 1, Issue 2, 2020, Pages 44-52, ISSN 2641-5526, https://doi.org/10.14302/issn.2641-5526.jmid-20-3424. (http://oap-journals.infojmid/article/1392) Keywords: Data mining; Association rules; frequent closed itemset; CHARM; DCI