@ARTICLE{KHD+09a,
author={Keim, Daniel A. and Hao, Ming C. and Dayal, Umeshwar and Janetzko, Halldor and Bak, Peter},
title={{Generalized Scatter Plots}},
journal={Information Visualization Journal (IVS)},
publisher={Macmillan Publishers Ltd.},
doi={10.1057/ivs.2009.34},
year={2009}
}