@InProceedings{clarke-keller:2015:IWCS2015,
  author    = {Clarke, Daoud  and  Keller, Bill},
  title     = {Efficiency in Ambiguity: Two Models of Probabilistic Semantics for Natural Language},
  booktitle = {Proceedings of the 11th International Conference on Computational Semantics},
  month     = {April},
  year      = {2015},
  address   = {London, UK},
  publisher = {Association for Computational Linguistics},
  pages     = {129--139},
  url       = {http://www.aclweb.org/anthology/W15-0118}
}