@article{onlinegroupfeatureselection,
  title = {Online Group Feature Selection},
  author = {Wang Jing and Zhao Zhong-Qiu and Hu Xuegang and Cheung Yiu-ming and Wang Meng and Wu Xindong},
  year = {2014},
  eprint = {1404.4774},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1404.4774v3},
}