Information visualization algorithms and techniques dedicated to tree maps and hierarchical data.
Link: Treemaps for space-constrained visualization of hierarchies

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According to Windipundit, Google is releasing to selected Keyhole users a beta version of the Google Earth application.

Since it is an actual software program running on your local PC, Google Earth is much faster and smoother in rendering satellite maps of the entire Earth than GoogleMaps. It initially draws a blurred version of the region […]