@inproceedings{lineartimealgorithmsforpairwise,
  title = {Linear-time Algorithms for Pairwise Statistical Problems},
  author = {Parikshit Ram and Dongryeol Lee and William March and Alexander G. Gray},
  year = {2009},
  booktitle = {NeurIPS 2009 12},
  url = {http://papers.nips.cc/paper/3796-linear-time-algorithms-for-pairwise-statistical-problems},
}