Hui Han Binghuan Mao Hairong Lv Qing Zhuo Wenyuan Wang One-Sided Fuzzy SVM Based on Sphere for Imbalanced Data Sets Learning. 166-170 2007 FSKD (2) http://dx.doi.org/10.1109/FSKD.2007.430 conf/fskd/2007-2 db/conf/fskd/fskd2007-2.html#HanMLZW07