@inproceedings{green-etal-2010-packplay,
    title = "{P}ack{P}lay: Mining Semantic Data in Collaborative Games",
    author = "Green, Nathan  and
      Breimyer, Paul  and
      Kumar, Vinay  and
      Samatova, Nagiza",
    editor = "Xue, Nianwen  and
      Poesio, Massimo",
    booktitle = "Proceedings of the Fourth Linguistic Annotation Workshop",
    month = jul,
    year = "2010",
    address = "Uppsala, Sweden",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W10-1837/",
    pages = "227--234"
}