@inproceedings{di-eugenio-etal-2005-aggregation,
    title = "Aggregation Improves Learning: Experiments in Natural Language Generation for Intelligent Tutoring Systems",
    author = "Di Eugenio, Barbara  and
      Fossati, Davide  and
      Yu, Dan  and
      Haller, Susan  and
      Glass, Michael",
    editor = "Knight, Kevin  and
      Ng, Hwee Tou  and
      Oflazer, Kemal",
    booktitle = "Proceedings of the 43rd Annual Meeting of the Association for Computational Linguistics ({ACL}{'}05)",
    month = jun,
    year = "2005",
    address = "Ann Arbor, Michigan",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P05-1007/",
    doi = "10.3115/1219840.1219847",
    pages = "50--57"
}