@article{greedymethodsrandomizationapproachesand,
  title = {Greedy methods, randomization approaches and multi-arm bandit algorithms for efficient sparsity-constrained optimization},
  author = {A Rakotomamonjy and S Koço and Liva Ralaivola},
  year = {2015},
  eprint = {1508.06477},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1508.06477v2},
}