@inproceedings{Carberry-etAl:2003:SIGDIAL,
  author = {Carberry, Sandra  and  Elzer, Stephanie  and  Green, Nancy  and  McCoy, Kathleen  and  Chester, Daniel},
  title = {Understanding Information Graphics: A Discourse-Level Problem},
  booktitle = {Proceedings of the Fourth {SIGdial} Workshop on Discourse and Dialogue},
  editor = {Akira Kurematsu and Alexander Rudnicky and Syun Tutiya},
  url = {http://www.aclweb.org/anthology/W03-2101},
  year = 2003,
  pages = {1--12}