@inproceedings{arora-etal-2009-estimating,
    title = "Estimating Annotation Cost for Active Learning in a Multi-Annotator Environment",
    author = "Arora, Shilpa  and
      Nyberg, Eric  and
      Ros{\'e}, Carolyn P.",
    editor = "Ringger, Eric  and
      Haertel, Robbie  and
      Tomanek, Katrin",
    booktitle = "Proceedings of the {NAACL} {HLT} 2009 Workshop on Active Learning for Natural Language Processing",
    month = jun,
    year = "2009",
    address = "Boulder, Colorado",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W09-1903/",
    pages = "18--26"
}