@inproceedings{theresnocomparisonreferenceless,
  title = {There's No Comparison: Reference-less Evaluation Metrics in Grammatical Error Correction},
  author = {Courtney Napoles and Keisuke Sakaguchi and Joel Tetreault},
  year = {2016},
  booktitle = {EMNLP 2016 11},
  eprint = {1610.02124},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1610.02124v1},
}