@inProceedings{chendialogueact:2013,
  author    = {Chen, Y.-N. and Wang, W. Y. and Rudnicky, A.}
  title	    = {An Empirical Investigation of Sparse Log-Linear Models for Improved Dialogue Act Classification},
  booktitle = {Proceedings of 2013 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
  pages	    = {8317--8321},
  year	    = {2013},
  address   = {Vancouver, Canada},
  organization = {IEEE}
}