@inproceedings{referencebasedmetricscanbereplacedwith,
  title = {Reference-based Metrics can be Replaced with Reference-less Metrics in Evaluating Grammatical Error Correction Systems},
  author = {Hiroki Asano and Tomoya Mizumoto and Kentaro Inui},
  year = {2017},
  booktitle = {IJCNLP 2017 11},
  url = {https://aclanthology.org/I17-2058},
}