CFS-SMOTE: A cluster sample filtering-based synthetic minority oversampling technique for imbalanced clinical data. - Zhaozhao Xu; Panzheng Xu; Fangyuan Yang; Junding Sun; Pengchen Liang; Yudong Zhang 001; Chaosheng Tang; Deguang Li; Bin Pu (Knowl. Based Syst., 2026)