@inproceedings{ma-etal-2011-pos,
    title = "{POS} Tagging of {E}nglish Particles for Machine Translation",
    author = "Ma, Jianjun  and
      Huang, Degen  and
      Liu, Haixia  and
      Sheng, Wenfeng",
    booktitle = "Proceedings of Machine Translation Summit XIII: Papers",
    month = sep # " 19-23",
    year = "2011",
    address = "Xiamen, China",
    url = "https://aclanthology.org/2011.mtsummit-papers.4/"
}