@article{JMLR:v15:cuturi14a,
  author  = {Marco Cuturi and David Avis},
  title   = {Ground Metric Learning},
  journal = {Journal of Machine Learning Research},
  year    = {2014},
  volume  = {15},
  number  = {17},
  pages   = {533--564},
  url     = {http://jmlr.org/papers/v15/cuturi14a.html}
}