@article{classifyingconstructivecomments,
  title = {Classifying Constructive Comments},
  author = {Varada Kolhatkar and Nithum Thain and Jeffrey Sorensen and Lucas Dixon and Maite Taboada},
  year = {2020},
  eprint = {2004.05476},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2004.05476v4},
}