@article{JMLR:v15:ailon14a,
  author  = {Nir Ailon and Ron Begleiter and Esther Ezra},
  title   = {Active Learning Using Smooth Relative Regret Approximations with Applications},
  journal = {Journal of Machine Learning Research},
  year    = {2014},
  volume  = {15},
  number  = {25},
  pages   = {885--920},
  url     = {http://jmlr.org/papers/v15/ailon14a.html}
}