@misc{kksal2023longform,
  title={LongForm: Optimizing Instruction Tuning for Long Text Generation with Corpus Extraction},
  author={Abdullatif Köksal and Timo Schick and Anna Korhonen and Hinrich Schütze},
  year={2023},
  eprint={2304.08460},
  archivePrefix={arXiv},
  primaryClass={cs.CL},
  url={https://arxiv.org/abs/2304.08460}
}