@InProceedings{doyle-frank:2015:NAACL-HLT,
  author    = {Doyle, Gabriel  and  Frank, Michael},
  title     = {Shared common ground influences information density in microblog texts},
  booktitle = {Proceedings of the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies},
  month     = {May--June},
  year      = {2015},
  address   = {Denver, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {1587--1596},
  url       = {http://www.aclweb.org/anthology/N15-1182}
}