@inproceedings{swanson-etal-2014-natural,
    title = "Natural Language Generation with Vocabulary Constraints",
    author = "Swanson, Ben  and
      Yamangil, Elif  and
      Charniak, Eugene",
    editor = "Tetreault, Joel  and
      Burstein, Jill  and
      Leacock, Claudia",
    booktitle = "Proceedings of the Ninth Workshop on Innovative Use of {NLP} for Building Educational Applications",
    month = jun,
    year = "2014",
    address = "Baltimore, Maryland",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W14-1815/",
    doi = "10.3115/v1/W14-1815",
    pages = "124--133"
}