@article{JMLR:v21:19-592,
  author  = {Shao-Bo Lin and Di Wang and Ding-Xuan Zhou},
  title   = {Distributed Kernel Ridge Regression with Communications},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {93},
  pages   = {1--38},
  url     = {http://jmlr.org/papers/v21/19-592.html}
}