@inproceedings{problemsincurrenttextsimplification,
  title = {Problems in Current Text Simplification Research: New Data Can Help},
  author = {Wei Xu and Chris Callison-Burch and Courtney Napoles},
  year = {2015},
  booktitle = {TACL 2015 1},
  url = {https://aclanthology.org/Q15-1021},
}