@inproceedings(2006-managing-unseen-situations-in-a-stochastic-dialog-model,
  author = {David Griol Barres and Lluís Felip Hurtado Oliver and Encarna Segarra Soriano and Emilio Sanchis Arnal},
  title = {Managing unseen situations in a Stochastic Dialog Model},
  year = {2006},
  booktitle = {AAAI Workshop Statistical and Empirical Approaches for Spoken Dialogue Systems},
  address = {Boston, Estados Unidos},
  pages = {25-30}
)