@article{JMLR:v16:wang15a,
  author  = {Jie Wang and Peter Wonka and Jieping Ye},
  title   = {Lasso Screening Rules via Dual Polytope Projection},
  journal = {Journal of Machine Learning Research},
  year    = {2015},
  volume  = {16},
  number  = {32},
  pages   = {1063--1101},
  url     = {http://jmlr.org/papers/v16/wang15a.html}
}