@inproceedings{li-etal-1998-test,
    title = "A Test Environment for Natural Language Understanding Systems",
    author = "Li, Li  and
      Dahl, Deborah A.  and
      Norton, Lewis M.  and
      Linebarger, Marcia C.  and
      Chen, Dongdong",
    booktitle = "{COLING} 1998 Volume 2: The 17th International Conference on Computational Linguistics",
    year = "1998",
    url = "https://preview.aclanthology.org/landing_page/C98-2121/"
}