@InProceedings{terrell-mutlu:2012:SIGDIAL2012,
  author    = {Terrell, Allison  and  Mutlu, Bilge},
  title     = {A Regression-based Approach to Modeling Addressee Backchannels},
  booktitle = {Proceedings of the 13th Annual Meeting of the Special Interest Group on Discourse and Dialogue},
  month     = {July},
  year      = {2012},
  address   = {Seoul, South Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {280--289},
  url       = {http://www.aclweb.org/anthology/W12-1639}
}