@article{conversationalproductsearchbasedon,
  title = {Conversational Product Search Based on Negative Feedback},
  author = {Keping Bi and Qingyao Ai and Yongfeng Zhang and W. Bruce Croft},
  year = {2019},
  eprint = {1909.02071},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.02071v1},
}