@article{JMLR:v13:zhang12d,
  author  = {Xinhua Zhang and Ankan Saha and S.V.N. Vishwanathan},
  title   = {Smoothing Multivariate Performance Measures},
  journal = {Journal of Machine Learning Research},
  year    = {2012},
  volume  = {13},
  number  = {117},
  pages   = {3623--3680},
  url     = {http://jmlr.org/papers/v13/zhang12d.html}
}