@inproceedings{lin-etal-2019-alpacatag,
    title = "{A}lpaca{T}ag: An Active Learning-based Crowd Annotation Framework for Sequence Tagging",
    author = "Lin, Bill Yuchen  and
      Lee, Dong-Ho  and
      Xu, Frank F.  and
      Lan, Ouyu  and
      Ren, Xiang",
    editor = "Costa-juss{\`a}, Marta R.  and
      Alfonseca, Enrique",
    booktitle = "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics: System Demonstrations",
    month = jul,
    year = "2019",
    address = "Florence, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P19-3010/",
    doi = "10.18653/v1/P19-3010",
    pages = "58--63"
}