@article{JMLR:v24:22-1278,
  author  = {Matteo Sesia and Stefano Favaro and Edgar Dobriban},
  title   = {Conformal Frequency Estimation using Discrete Sketched Data with Coverage for Distinct Queries},
  journal = {Journal of Machine Learning Research},
  year    = {2023},
  volume  = {24},
  number  = {348},
  pages   = {1--80},
  url     = {http://jmlr.org/papers/v24/22-1278.html}
}