@inproceedings{simion-etal-2015-strictly,
    title = "On A Strictly Convex {IBM} Model 1",
    author = "Simion, Andrei  and
      Collins, Michael  and
      Stein, Cliff",
    editor = "M{\`a}rquez, Llu{\'i}s  and
      Callison-Burch, Chris  and
      Su, Jian",
    booktitle = "Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing",
    month = sep,
    year = "2015",
    address = "Lisbon, Portugal",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/D15-1023/",
    doi = "10.18653/v1/D15-1023",
    pages = "221--226"
}