@inproceedings { JHM+13, title = {Enhancing Scatter Plots Using Ellipsoid Pixel Placement and Shading}, booktitle = {Proceedings of the 46th Annual Hawaii International Conference on System Sciences}, editor = {Ralph H. Sprague, Jr.}, month = {Jan}, pages = {1522-1531}, doi = {10.1109/HICSS.2013.197}, year = {2013}, author = {Janetzko, Halldor and Hao, Ming C. and Mittelst├Ądt, Sebastian and Dayal, Umeshwar and Keim, Daniel A.} }