@inproceedings{gonzalez-brenes-mostow-2011-system,
    title = "Which System Differences Matter? Using {L}1/{L}2 Regularization to Compare Dialogue Systems",
    author = "Gonz{\'a}lez-Brenes, Jos{\'e}  and
      Mostow, Jack",
    editor = "Chai, Joyce Y.  and
      Moore, Johanna D.  and
      Passonneau, Rebecca J.  and
      Traum, David R.",
    booktitle = "Proceedings of the {SIGDIAL} 2011 Conference",
    month = jun,
    year = "2011",
    address = "Portland, Oregon",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/W11-2003/",
    pages = "8--17"
}