@article{poissonsubsamplingalgorithmsforlarge,
  title = {Poisson Subsampling Algorithms for Large Sample Linear Regression in Massive Data},
  author = {Rong Zhu},
  year = {2015},
  eprint = {1509.02116},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1509.02116v3},
}