@proceedings{ws-2007-acl-sigsem,
    title = "Proceedings of the Fourth {ACL}-{SIGSEM} Workshop on Prepositions",
    editor = "Costello, Fintan  and
      Kelleher, John  and
      Volk, Martin",
    month = jun,
    year = "2007",
    address = "Prague, Czech Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/remove-affiliations/W07-1600/"
}