@article{ZhangMak11,
  title={Optimized Discriminative Kernel for SVM Scoring and its Application to Speaker Verification},
  author={S.X. Zhang and M.W. Mak},
  journal={IEEE Transactions on Neural Networks},
  volume={22},
  number={2},
  pages={173-185},
  month = {Feb.},
  year={2011},
}