@article{astigmergybasedanalysisofcityhotspots,
  title = {A stigmergy-based analysis of city hotspots to discover trends and anomalies in urban transportation usage},
  author = {Antonio L. Alfeo and Mario G. C. A. Cimino and Sara Egidi and Bruno Lepri and Gigliola Vaglini},
  year = {2018},
  eprint = {1804.05697},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1804.05697v2},
}