@inproceedings{largescalelbfgsusingmapreduce,
  title = {Large-scale L-BFGS using MapReduce},
  author = {Weizhu Chen and Zhenghao Wang and Jingren Zhou},
  year = {2014},
  booktitle = {NeurIPS 2014 12},
  url = {http://papers.nips.cc/paper/5333-large-scale-l-bfgs-using-mapreduce},
}