@InProceedings{gardentweakly,
  author={Gardent, Claire and Lorenzo, Alejandra and Perez-Beltrachini, Laura and Rojas-Barahona, Lina},
  title={Weakly and Strongly Constrained Dialogues for Language Learning},
  booktitle = {{Proceedings of the 14th annual SIGdial Meeting on Discourse and Dialogue (SIGDIAL)}},
  year = {2013},
  address   = {Metz, France} ,
}