@article{towardseasierandfastersequencelabeling,
  title = {Towards Easier and Faster Sequence Labeling for Natural Language Processing: A Search-based Probabilistic Online Learning Framework (SAPO)},
  author = {Xu Sun and Shuming Ma and Yi Zhang and Xuancheng Ren},
  year = {2015},
  eprint = {1503.08381},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1503.08381v4},
}