Piecewise Combination of Hyper-Sphere Support Vector Machine for Multi-Class Classification Problems
Shuang Liu, Peng Chen, Jiayi Li, Hui Yang, and Niko Lukač
Int J Performability Eng . 2019, (6): 1611 -1619 .  DOI: 10.23940/ijpe.19.06.p12.16111619