@article{onkernelmethodsforcovariatesthatare,
  title = {On kernel methods for covariates that are rankings},
  author = {Horia Mania and Aaditya Ramdas and Martin J. Wainwright and Michael. I. Jordan and Benjamin Recht},
  year = {2016},
  eprint = {1603.08035},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1603.08035v2},
}