@inproceedings{harabagiu-hickl-2006-methods,
    title = "Methods for Using Textual Entailment in Open-Domain Question Answering",
    author = "Harabagiu, Sanda  and
      Hickl, Andrew",
    editor = "Calzolari, Nicoletta  and
      Cardie, Claire  and
      Isabelle, Pierre",
    booktitle = "Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2006",
    address = "Sydney, Australia",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/P06-1114/",
    doi = "10.3115/1220175.1220289",
    pages = "905--912"
}Markdown (Informal)
[Methods for Using Textual Entailment in Open-Domain Question Answering](https://preview.aclanthology.org/ingest-emnlp/P06-1114/) (Harabagiu & Hickl, COLING-ACL 2006)
ACL