@inproceedings{HDKS07a, author = {Hao, Ming C. and Dayal, Umeshwar and Keim, Daniel A. and Schreck, Tobias}, booktitle = {Proc. of the Visualization and Data Analysis Conference (VDA '07)}, publisher = {SPIE}, title = {A Visual Analysis of Multi-Attribute Data Using Pixel Matrix Displays}, year = {2007} }