@article{reducingpopularitybiasinrecommender,
  title = {Reducing Popularity Bias in Recommender Systems through AUC-Optimal Negative Sampling},
  author = {Bin Liu and Erjia Chen and Bang Wang},
  year = {2023},
  eprint = {2306.01348},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2306.01348v1},
}