@article{generativequestionrefinementwithdeep,
  title = {Generative Question Refinement with Deep Reinforcement Learning in Retrieval-based QA System},
  author = {Ye Liu and Chenwei Zhang and Xiaohui Yan and Yi Chang and Philip S. Yu},
  year = {2019},
  eprint = {1908.05604},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1908.05604v3},
}