@article{sauri-pustejovsky-2012-sure,
    title = "Are You Sure That This Happened? Assessing the Factuality Degree of Events in Text",
    author = "Saur{\'\i}, Roser  and
      Pustejovsky, James",
    journal = "Computational Linguistics",
    volume = "38",
    number = "2",
    month = jun,
    year = "2012",
    address = "Cambridge, MA",
    publisher = "MIT Press",
    url = "https://aclanthology.org/J12-2002",
    doi = "10.1162/COLI_a_00096",
    pages = "261--299",
}