@inproceedings{chodorow-etal-2007-detection,
    title = "Detection of Grammatical Errors Involving Prepositions",
    author = "Chodorow, Martin  and
      Tetreault, Joel  and
      Han, Na-Rae",
    editor = "Costello, Fintan  and
      Kelleher, John  and
      Volk, Martin",
    booktitle = "Proceedings of the Fourth {ACL}-{SIGSEM} Workshop on Prepositions",
    month = jun,
    year = "2007",
    address = "Prague, Czech Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W07-1604/",
    pages = "25--30"
}