@article{ccpromptcounterfactualcontrastiveprompt,
  title = {CCPrefix: Counterfactual Contrastive Prefix-Tuning for Many-Class Classification},
  author = {Yang Li and Canran Xu and Guodong Long and Tao Shen and Chongyang Tao and Jing Jiang},
  year = {2022},
  eprint = {2211.05987},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2211.05987v2},
}