@inproceedings{gretelgraphcontrastivetopicenhanced,
  title = {GRETEL: Graph Contrastive Topic Enhanced Language Model for Long Document Extractive Summarization},
  author = {Qianqian Xie and Jimin Huang and Tulika Saha and Sophia Ananiadou},
  year = {2022},
  booktitle = {COLING 2022 10},
  eprint = {2208.09982},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2208.09982v1},
}