@InProceedings{lemon-EtAl:2002:SIGDIAL03,
  author    = {Oliver Lemon  and  Alexander Gruenstein  and  Alexis Battle  and  Stanley Peters},
  title     = {Multi-tasking and Collaborative Activities in Dialogue Systems},
  booktitle = {Proceedings of the Third SIGdial Workshop on Discourse and Dialogue},
  month     = {July},
  year      = {2002},
  address   = {Philadelphia, Pennsylvania, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {113--124},
  url       = {http://www.aclweb.org/anthology/W02-0216},
  doi       = {10.3115/1118121.1118137}
}