@article{largescaleonlinefeatureselectionfor,
  title = {Large-scale Online Feature Selection for Ultra-high Dimensional Sparse Data},
  author = {Yue Wu and Steven C. H. Hoi and Tao Mei and Nenghai Yu},
  year = {2014},
  eprint = {1409.7794},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1409.7794v3},
}