@InProceedings{dethlefs-EtAl:2012:EMNLP-CoNLL,
  author    = {Dethlefs, Nina  and  Hastie, Helen  and  Rieser, Verena  and  Lemon, Oliver},
  title     = {Optimising Incremental Dialogue Decisions Using Information Density for Interactive Systems},
  booktitle = {Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning},
  month     = {July},
  year      = {2012},
  address   = {Jeju Island, Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {82--93},
  url       = {http://www.aclweb.org/anthology/D12-1008}
}