@article{Manca201756,
  title =	 "Using social media to characterize urban mobility
                  patterns: State-of-the-art survey and case-study ",
  journal =	 "Online Social Networks and Media ",
  volume =	 1,
  pages =	 "56--69",
  year =	 2017,
  issn =	 "2468-6964",
  doi =		 "https://doi.org/10.1016/j.osnem.2017.04.002",
  author =	 "Matteo Manca and Ludovico Boratto and Victor Morell
                  Roman and Oriol Martori i Gallissà and Andreas
                  Kaltenbrunner",
}