@inproceedings{distributedgeneralizedcrossvalidationfor,
  title = {Distributed Generalized Cross-Validation for Divide-and-Conquer Kernel Ridge Regression and its Asymptotic Optimality},
  author = {Ganggang Xu and Zuofeng Shang and Guang Cheng},
  year = {2016},
  booktitle = {ICML 2018 7},
  eprint = {1612.05907},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1612.05907v2},
}