@InProceedings{lopezcozar-silovsky-griol:2010:SIGDIAL,
  author    = {L\'{o}pez-C\'{o}zar, Ram\'{o}n  and  Silovsky, Jan  and  Griol, David},
  title     = {$F^2$ - New Technique for Recognition of User Emotional States in Spoken Dialogue Systems},
  booktitle = {Proceedings of the SIGDIAL 2010 Conference},
  month     = {September},
  year      = {2010},
  address   = {Tokyo, Japan},
  publisher = {Association for Computational Linguistics},
  pages     = {281--288},
  url       = {http://www.aclweb.org/anthology/W/W10/W10-4354}
}