@article{safescreeningforsparseconditionalrandom,
  title = {Safe Screening for Sparse Conditional Random Fields},
  author = {Weizhong Zhang and Shuang Qiu},
  year = {2021},
  eprint = {2111.13958},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2111.13958v1},
}