@InProceedings{venant-EtAl:2013:SIGDIAL,
  author    = {Venant, Antoine  and  Asher, Nicholas  and  Muller, Philippe  and  Denis, Pascal  and  Afantenos, Stergos},
  title     = {Expressivity and comparison of models of discourse structure},
  booktitle = {Proceedings of the SIGDIAL 2013 Conference},
  month     = {August},
  year      = {2013},
  address   = {Metz, France},
  publisher = {Association for Computational Linguistics},
  pages     = {2--11},
  url       = {http://www.aclweb.org/anthology/W13-4002}
}