@misc{ertl2023ultraloglog,
  title={UltraLogLog: A Practical and More Space-Efficient Alternative to HyperLogLog for Approximate Distinct Counting},
  author={Otmar Ertl},
  year={2023},
  eprint={2308.16862},
  archivePrefix={arXiv},
  primaryClass={cs.DS},
  doi={10.14778/3654621.3654632},
  url={https://arxiv.org/abs/2308.16862}
}