@article{acceleratingminibatchstochasticgradient,
  title = {Accelerating Minibatch Stochastic Gradient Descent using Stratified Sampling},
  author = {Peilin Zhao and Tong Zhang},
  year = {2014},
  eprint = {1405.3080},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1405.3080v1},
}