infovis taxonomy Ben Shneiderman The Eyes Have It: A Task by Data Type Taxonomy for Information Visualizations. Proc. 1996 IEEE Visual Languages citeseer.nj.nec.com/shneiderman96eyes.html data 1D, 2D, 3D, ND, temporal, tree, network/graph task overview, zoom, filter, details-on-demand, relate, history, extract 4