@article{JMLR:v13:orabona12a,
  author  = {Francesco Orabona and Luo Jie and Barbara Caputo},
  title   = {Multi Kernel Learning with Online-Batch Optimization},
  journal = {Journal of Machine Learning Research},
  year    = {2012},
  volume  = {13},
  number  = {8},
  pages   = {227--253},
  url     = {http://jmlr.org/papers/v13/orabona12a.html}
}