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Figure 3 | International Journal of Health Geographics

Figure 3

From: The use of interactive graphical maps for browsing medical/health Internet information resources

Figure 3

Screenshot of WebMap's InternetMap. WebMap's InternetMap (previously available from is an interactive, hierarchical visual directory that maps over two million categorised Web sites from the Open Directory Project WebMap is a browser plug-in that represents hierarchical categories as irregular shaped polygons or territories. A smooth zoom brings more detailed categories into view. Each of these territories contains a different subject category. Within each territory, individual Web sites are shown by small mountain symbols and related sites are positioned close to one another. The concentric blue-coloured shapes represent WebMap's topography. The lighter areas are "peaks", while the dark blue areas are "valleys". With this topography, WebMap visually differentiates between sites. Sites that experience more traffic are placed higher on the topographic scale.

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