@article{onlinealgorithmsforestimatingchangerates,
  title = {Online Algorithms for Estimating Change Rates of Web Pages},
  author = {Konstantin Avrachenkov and Kishor Patil and Gugan Thoppe},
  year = {2020},
  eprint = {2009.08142},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2009.08142v2},
}