@inproceedings{carvalho2022incorporating,
  title={Incorporating Item Frequency for Differentially Private Set Union},
  author={Carvalho, Ricardo Silva and Wang, Ke and Gondara, Lovedeep Singh},
  booktitle={Proceedings of the AAAI Conference on Artificial Intelligence},
  volume={36},
  number={9},
  pages={9504--9511},
  year={2022}
}