@article { SSS+12a, title = {Rolled-out Wordles: A Heuristic Method for Overlap Removal of 2D Data Representatives}, journal = {Comput. Graph. Forum}, number = {3}, pages = {1135-1144}, year = {2012}, author = {Strobelt, Hendrik and Stoffel, Andreas and Spicker, Marc and Keim, Daniel A. and Deussen, Oliver} }