@inproceedings{annotatingstudenttalkintextbased1,
  title = {Annotating Student Talk in Text-based Classroom Discussions},
  author = {Luca Lugini and Diane Litman and Amanda Godley and Christopher Olshefski},
  year = {2019},
  booktitle = {WS 2018 6},
  eprint = {1909.03023},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.03023v1},
}