@inproceedings{whenischarbetterthansubwordasystematic,
  title = {When is Char Better Than Subword: A Systematic Study of Segmentation Algorithms for Neural Machine Translation},
  author = {Jiahuan Li and Yutong Shen and ShuJian Huang and Xinyu Dai and Jiajun Chen},
  year = {2021},
  booktitle = {ACL 2021 5},
  url = {https://aclanthology.org/2021.acl-short.69},
}