@article{ETD,
      school = {Ph.D.},
      author = {Yang, Fan and },
      url = {http://digitalcollections.ohsu.edu/record/307},
      title = {Directing the flow of conversation in task-oriented  dialogue},
      publisher = {Oregon Health and Science University},
      number = {ETD},
      doi = {https://doi.org/10.6083/M49W0CFZ},
      recid = {307},
      address = {2008},
}