Voronoi Treemap Portlet Visualisation of complex hierarchical data is often times cumbersome. Voronoi treemaps enable the user to quickly identify the contribution of specific datapoints to the whole ...

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Higher order Voronoi diagram is a popular way to model higher order information for complex decision making such as "what-if" analysis. Visualising higher order information for moving objects is a ...

This paper presents a new approach to the large graph layout problem, which quickly generates an effective layout. This new method proceeds by generating a clustering hierarchy for the graph, applying ...