@inproceedings{alleviatingexposurebiasviamultilevel,
  title = {Alleviating Exposure Bias via Multi-level Contrastive Learning and Deviation Simulation in Abstractive Summarization},
  author = {Jiawen Xie and Qi Su and Shaoting Zhang and and Xiaofan Zhang},
  year = {2023},
  booktitle = {ACL 2023 5},
  url = {https://aclanthology.org/2023.findings-acl.617/},
}