Foursquare & Flickr activities in 20 cities

10 millions flickr photos in 10 US &amp; 10 European cities (photo_id, user_id, time_taken, GPS_coordinates, city, if available: associated venue id) 4.5 million checkins (anonymized user_id, venue id, local time, city) 400k venues (venue id, name, GPS_coordinates, city, category id) Please cite our paper if you're using this data in your own work @inproceedings{Thesis15,<br>author = {{Le Falher}, G\'{e}raud and Gionis, Aristides and Mathioudakis, Michael},<br>booktitle = {International AAAI Conference on Web and Social Media},<br>title = {{Where Is the Soho of Rome? Measures and Algorithms for Finding Similar Neighborhoods in Cities}},<br>url = {http://www.aaai.org/ocs/index.php/ICWSM/ICWSM15/paper/view/10514},<br>year = {2015}<br>}