@article{efficienttrackingofagrowingnumberof,
  title = {Efficient tracking of a growing number of experts},
  author = {Jaouad Mourtada and Odalric-Ambrym Maillard},
  year = {2017},
  eprint = {1708.09811},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1708.09811v1},
}