@inproceedings{zhou-etal-2011-fast,
    title = "A Fast Accurate Two-stage Training Algorithm for {L}1-regularized {CRF}s with Heuristic Line Search Strategy",
    author = "Zhou, Jinlong  and
      Qiu, Xipeng  and
      Huang, Xuanjing",
    editor = "Wang, Haifeng  and
      Yarowsky, David",
    booktitle = "Proceedings of 5th International Joint Conference on Natural Language Processing",
    month = nov,
    year = "2011",
    address = "Chiang Mai, Thailand",
    publisher = "Asian Federation of Natural Language Processing",
    url = "https://aclanthology.org/I11-1008/",
    pages = "65--74"
}