Focused on defining working metaphor to visualize network information, this work proposed the use of a city metaphor, using the height, size, color, and position of building to encode information. A second metaphor is slightly touch in the form of a solar system, using planet as main components of the representation.
Sources
[1] C. Russo Dos Santos, P. Gros, P. Abel, D. Loisel, N. Trichaud, and J. Paris, “Mapping information onto 3D virtual worlds,” in IEEE Conference on Information Visualization. An International Conference on Computer Visualization and Graphics. London, UK: IEEE Comput. Soc, 2000, pp. 379–386.