@inproceedings{pdbscanadensitybasedclusteringalgorithm,
  title = {P-DBSCAN: A density based clustering algorithm for exploration and analysis of attractive areas using collections of geo-tagged photos},
  author = {Slava Kisilevich and Florian Mansmann and Daniel Keim},
  year = {2010},
  booktitle = {Association for Computing Machinery 2010 6},
  url = {https://dl.acm.org/doi/abs/10.1145/1823854.1823897},
}