@InProceedings{foursquare-timing,
  author =	 {Desislava Hristova and David Liben-Nowell and
                  Anastasios Noulas and Cecilia Mascolo},
  title =	 {If You've Got the Money, {I've} Got the Time:
                  Spatio-Temporal Footprints of Spending at Sports
                  Events on {Foursquare}},
  booktitle =	 {The CityLab Workshop (at ICWSM'16)},
  year =	 2016,
  month =	 apr
}