@article{fasterkmedoidsclusteringimprovingthepam,
  title = {Faster k-Medoids Clustering: Improving the PAM, CLARA, and CLARANS Algorithms},
  author = {Erich Schubert and Peter J. Rousseeuw},
  year = {2018},
  eprint = {1810.05691},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1810.05691v4},
}