@inproceedings{SJM12a,
 author = {Stoffel, Florian and Janetzko, Halldor and Mansmann, Florian},
 booktitle = {Proceedings of the AVI 2012, May 21 - 25, Capri Island (Naples), Italy},
 doi = {10.1145/2254556.2254644},
 month = {May},
 publisher = {ACM Press},
 title = {Proportions in Categorical and Geographic Data: Visualizing the Results of Political Elections},
 year = {2012}
}