@article{estimatingactivityatmultiplescalesusing,
  title = {Estimating Activity at Multiple Scales using Spatial Abstractions},
  author = {Majd Hawasly and Florian T. Pokorny and Subramanian Ramamoorthy},
  year = {2016},
  eprint = {1607.07311},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1607.07311v1},
}