@article{JMLR:v10:orabona09a,
  author  = {Francesco Orabona and Joseph Keshet and Barbara Caputo},
  title   = {Bounded Kernel-Based Online Learning},
  journal = {Journal of Machine Learning Research},
  year    = {2009},
  volume  = {10},
  number  = {92},
  pages   = {2643--2666},
  url     = {http://jmlr.org/papers/v10/orabona09a.html}
}