David Crandall, Lars Backstrom, Daniel Huttenlocher and Jon Kleinberg
2009
Representative images for the top landmark in each of the top 20 North American cities. All parts of the figure, including the representative images, textual labels, and even the map itself were produced automatically from our corpus of geo-tagged photos.

Computer image, with added photos
Cornell University, Department of Computer Science
David Crandall, Lars Backstrom, Daniel Huttenlocher and Jon Kleinberg, "Mapping the World's Photos" WWW 2009, April 20-24, 2009, Madrid, Spain. ACM 978-1-60558-487-4/09/04.
Department of Computer Science, Cornell University
 
http://www.cs.cornell.edu/~dph/papers/photomap-www09.pdf
 
LL/48439