@inproceedings{ghosh2018topological,
  title={Topological signatures for fast mobility analysis},
  author={Ghosh, Abhirup and Rozemberczki, Benedek and Ramamoorthy, Subramanian and Sarkar, Rik},
  booktitle={Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems},
  pages={159--168},
  year={2018}
}