Dickens, Charlie, Justin Thaler, and Daniel Ting. “(Nearly) All Cardinality Estimators Are Differentially Private.” ArXiv Preprint ArXiv:2203.15400, 2022.

@article{dickens2022nearly,
  title = {(Nearly) All Cardinality Estimators Are Differentially Private},
  author = {Dickens, Charlie and Thaler, Justin and Ting, Daniel},
  journal = {arXiv preprint arXiv:2203.15400},
  year = {2022}
}