@article{l1regularizeddistributedoptimizationa,
  title = {L1-Regularized Distributed Optimization: A Communication-Efficient Primal-Dual Framework},
  author = {Virginia Smith and Simone Forte and Michael. I. Jordan and Martin Jaggi},
  year = {2015},
  eprint = {1512.04011},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1512.04011v2},
}