@inproceedings{walker-etal-2000-learning, title = "Learning to Predict Problematic Situations in a Spoken Dialogue System: Experiments with {H}ow {M}ay {I} {H}elp {Y}ou?", author = "Walker, Marilyn and Langkilde, Irene and Wright, Jerry and Gorin, Allen and Litman, Diane", booktitle = "1st Meeting of the North {A}merican Chapter of the Association for Computational Linguistics", year = "2000", url = "https://preview.aclanthology.org/fix-sig-urls/A00-2028/" }