@InProceedings{varges-EtAl:2010:SIGDIAL,
  author    = {Varges, Sebastian  and  Quarteroni, Silvia  and  Riccardi, Giuseppe  and  Ivanov, Alexei},
  title     = {Investigating Clarification Strategies in a Hybrid POMDP Dialog Manager},
  booktitle = {Proceedings of the SIGDIAL 2010 Conference},
  month     = {September},
  year      = {2010},
  address   = {Tokyo, Japan},
  publisher = {Association for Computational Linguistics},
  pages     = {213--216},
  url       = {http://www.aclweb.org/anthology/W/W10/W10-4337}
}