@inproceedings{AAB+09b, author = {Andrienko, Gennady and Andrienko, Natalia and Bak, Peter and Kisilevich, Slava and Keim, Daniel A.}, booktitle = {Proceedings of the 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems}, month = {nov}, organization = {ACM SIGSPATIAL GIS 2009}, pages = {540--541}, publisher = {ACM}, title = {Demo-Paper: Analysis of community-contributed space- and time referenced data (by example of Panoramio photos)}, year = {2009} }