7[2]Keim D A.Pixel-oriented Visualization Techniques for Exploring Very Large Databases. Journal of Computational and Graphical Statistics,1996,5(1):58
8[3]Pickett R M,Grinstein G G.Iconographic Displays for Visualizing Multidimensional Data, Proc. IEEE Conf. on Systems,Man and Cybern-etics. IEEE Press,Beijing and Shenyang, 1988-05:514
9[4]Shneiderman B.Tree Visualization with Treemaps:A 2D Space-Filling Approach.ACM Transactions on Graphics, 1992,11 ( 1):92
10[5]Siirtola H.Direct Manipulation of Parallel Coordinates. Proceedings of the IEEE International Conference on Information Visualization (IV-2000), London,2000-07:373
