@InProceedings{shafaeipour_et_al:LIPIcs.GIScience.2023.66,
  author =	{Shafaeipour, Nadia and van Steen, Maarten and Ostermann, Frank O.},
  title =	{{How to Count Travelers Without Tracking Them Between Locations}},
  booktitle =	{12th International Conference on Geographic Information Science (GIScience 2023)},
  pages =	{66:1--66:6},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-288-4},
  ISSN =	{1868-8969},
  year =	{2023},
  volume =	{277},
  editor =	{Beecham, Roger and Long, Jed A. and Smith, Dianna and Zhao, Qunshan and Wise, Sarah},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.GIScience.2023.66},
  URN =		{urn:nbn:de:0030-drops-189610},
  doi =		{10.4230/LIPIcs.GIScience.2023.66},
  annote =	{Keywords: Privacy preservation, encrypted Bloom filters, traveler counting, subway networks}
}