@article{onlinesparselinearregression,
  title = {Online Sparse Linear Regression},
  author = {Dean Foster and Satyen Kale and Howard Karloff},
  year = {2016},
  eprint = {1603.02250},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1603.02250v1},
}