Hybrid Approach Redefinition (HAR) model for optimizing hybrid ensembles in handling class imbalance: a review and research framework. - Abdullah, Ade Gafar; Nandiyanto, Asep Bayu Dani; Hartono, Hartono; Sitompul, Opim Salim; Tulus, Tulus; Nababan, Erna Budhiarti; Napitupulu, Darmawan (MATEC Web of Conferences, 2018)