@inproceedings{abney-etal-2000-answer,
    title = "Answer Extraction",
    author = "Abney, Steven  and
      Collins, Michael  and
      Singhal, Amit",
    booktitle = "Sixth Applied Natural Language Processing Conference",
    month = apr,
    year = "2000",
    address = "Seattle, Washington, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/landing_page/A00-1041/",
    doi = "10.3115/974147.974188",
    pages = "296--301"
}