@article{JMLR:v19:16-241,
  author  = {Dominik Csiba and Peter Richt{{\'a}}rik},
  title   = {Importance Sampling for Minibatches},
  journal = {Journal of Machine Learning Research},
  year    = {2018},
  volume  = {19},
  number  = {27},
  pages   = {1--21},
  url     = {http://jmlr.org/papers/v19/16-241.html}
}