@article{contractionclusteringrasteraveryfastbig,
  title = {Contraction Clustering (RASTER): A Very Fast Big Data Algorithm for Sequential and Parallel Density-Based Clustering in Linear Time, Constant Memory, and a Single Pass},
  author = {Gregor Ulm and Simon Smith and Adrian Nilsson and Emil Gustavsson and Mats Jirstrand},
  year = {2019},
  eprint = {1907.03620},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1907.03620v2},
}