@inproceedings{Williams-Young:2003:SIGDIAL,
  author = {Williams, Jason D.  and Young, Steve},
  title = {Using Wizard-of-Oz simulations to bootstrap Reinforcement - Learning based dialog management systems},
  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/W03-2111},
  year = 2003,
  pages = {135--139}