@article{simpleagradientestimatorforksubset,
  title = {SIMPLE: A Gradient Estimator for $k$-Subset Sampling},
  author = {Kareem Ahmed and Zhe Zeng and Mathias Niepert and Guy Van Den Broeck},
  year = {2022},
  eprint = {2210.01941},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2210.01941v2},
}