@InProceedings{chen-dieugenio:2012:NAACL-HLT,
  author    = {Chen, Lin  and  Di Eugenio, Barbara},
  title     = {Co-reference via Pointing and Haptics in Multi-Modal Dialogues},
  booktitle = {Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies},
  month     = {June},
  year      = {2012},
  address   = {Montr\'{e}al, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {523--527},
  url       = {http://www.aclweb.org/anthology/N12-1058}
}