@inproceedings{van-gael-etal-2009-infinite,
    title = "The infinite {HMM} for unsupervised {P}o{S} tagging",
    author = "Van Gael, Jurgen  and
      Vlachos, Andreas  and
      Ghahramani, Zoubin",
    editor = "Koehn, Philipp  and
      Mihalcea, Rada",
    booktitle = "Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing",
    month = aug,
    year = "2009",
    address = "Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/D09-1071/",
    pages = "678--687"
}