@InProceedings{milhorat-EtAl:2013:SIGDIAL,
  author    = {Milhorat, Pierrick  and  Schl\"{o}gl, Stephan  and  Chollet, G\'{e}rard  and  Boudy, J\'{e}r\^{o}me},
  title     = {Multi-step Natural Language Understanding},
  booktitle = {Proceedings of the SIGDIAL 2013 Conference},
  month     = {August},
  year      = {2013},
  address   = {Metz, France},
  publisher = {Association for Computational Linguistics},
  pages     = {157--159},
  url       = {http://www.aclweb.org/anthology/W13-4027}
}