@inproceedings{weissenbacher-etal-2019-overview,
    title = "Overview of the Fourth Social Media Mining for Health ({SMM}4{H}) Shared Tasks at {ACL} 2019",
    author = "Weissenbacher, Davy  and
      Sarker, Abeed  and
      Magge, Arjun  and
      Daughton, Ashlynn  and
      O{'}Connor, Karen  and
      Paul, Michael J.  and
      Gonzalez-Hernandez, Graciela",
    editor = "Weissenbacher, Davy  and
      Gonzalez-Hernandez, Graciela",
    booktitle = "Proceedings of the Fourth Social Media Mining for Health Applications ({\#}SMM4H) Workshop {\&} Shared Task",
    month = aug,
    year = "2019",
    address = "Florence, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W19-3203/",
    doi = "10.18653/v1/W19-3203",
    pages = "21--30"
}