@article{JMLR:v14:zhang13b,
  author  = {Yuchen Zhang and John C. Duchi and Martin J. Wainwright},
  title   = {Communication-Efficient Algorithms for Statistical Optimization},
  journal = {Journal of Machine Learning Research},
  year    = {2013},
  volume  = {14},
  number  = {104},
  pages   = {3321--3363},
  url     = {http://jmlr.org/papers/v14/zhang13b.html}
}