@inproceedings{stewart-etal-2006-topic,
    title = "Off-Topic Detection in Conversational Telephone Speech",
    author = "Stewart, Robin  and
      Danyluk, Andrea  and
      Liu, Yang",
    editor = "Hovy, Eduard  and
      Zechner, Klaus  and
      Zhou, Liang",
    booktitle = "Proceedings of the Analyzing Conversations in Text and Speech",
    month = jun,
    year = "2006",
    address = "New York City, New York",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W06-3402",
    pages = "8--14",
}
Markdown (Informal)
[Off-Topic Detection in Conversational Telephone Speech](https://aclanthology.org/W06-3402) (Stewart et al., 2006)
ACL