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The web portal

The skeleton of the studied web portal has 933 nodes. The area of the circle assigned to each node in the figure is proportional to the logarithm of the total number of visits to the corresponding web document. The widths of the links are proportional to the logarithm of the total number of times the hyperlink was used by the surfers on the portal. The central largest node corresponds to the main page origo.hu directly connected to several other highly visited sites (image and text: Phys. Rev. E 73 066132).