@inproceedings{ZK08, author = {Ziegler, Hartmut and Keim, Daniel A.}, booktitle = {Proceedings of the Eurographics/IEEE-VGTC Symposium on Visualization (EuroVis 2008)}, doi = {10.1111/j.1467-8659.2008.01226.x}, month = {may}, pages = {927-934}, publisher = {Eurographics Association}, title = {COPERNICUS: Context-preserving engine for route navigation with interactive user-modifiable scaling}, year = {2008} }