@inproceedings{awizardofozstudyonanontaskoriented,
  title = {A Wizard-of-Oz Study on A Non-Task-Oriented Dialog Systems That Reacts to User Engagement},
  author = {Zhou Yu and Leah Nicolich-Henkin and Alan W. black and Alex Rudnicky and er},
  year = {2016},
  booktitle = {WS 2016 9},
  url = {https://aclanthology.org/W16-3608},
}