@article{stigmergybasedmodelingtodiscoverurban,
  title = {Stigmergy-based modeling to discover urban activity patterns from positioning data},
  author = {Antonio L. Alfeo and Mario G. C. A. Cimino and Sara Egidi and Bruno Lepri and Alex Pentland and Gigliola Vaglini},
  year = {2017},
  eprint = {1704.03667},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1704.03667v2},
}