@misc{jiang2018sequence,
  title={Why are Sequence-to-Sequence Models So Dull? Understanding the Low-Diversity Problem of Chatbots},
  author={Shaojie Jiang and Maarten de Rijke},
  year={2018},
  eprint={1809.01941},
  archivePrefix={arXiv},
  primaryClass={cs.CL},
  url={https://arxiv.org/abs/1809.01941}
}