@inproceedings{narayanan-harabagiu-2004-question,
    title = "Question Answering Based on Semantic Structures",
    author = "Narayanan, Srini  and
      Harabagiu, Sanda",
    booktitle = "{COLING} 2004: Proceedings of the 20th International Conference on Computational Linguistics",
    month = "aug 23–aug 27",
    year = "2004",
    address = "Geneva, Switzerland",
    publisher = "COLING",
    url = "https://aclanthology.org/C04-1100/",
    pages = "693--701"
}