@inproceedings{lee-chang-2001-operator,
    title = "An Operator Assisted Call Routing System",
    author = "Lee, Chun-Jen  and
      Chang, Jason S.",
    editor = "Lee, Ik-Hwan  and
      Kim, Yong-Beom  and
      Choi, Key-Sun  and
      Lee, Minhaeng",
    booktitle = "Proceedings of the 16th Pacific Asia Conference on Language, Information and Computation",
    month = jan # "/" # feb,
    year = "2001",
    address = "Jeju, Korea",
    publisher = "The Korean Society for Language and Information",
    url = "https://aclanthology.org/Y02-1026/",
    doi = "http://hdl.handle.net/2065/12233",
    pages = "271--280"
}