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Navigating Large Hierarchical Space Using Invisible Links
Hao, Ming; Hsu, Meichun; Dayal, Umesh; Krug, Adrian
HPL-2000-8
Keyword(s): invisible link; navigation; hierarchical space; cycles; cross links
Abstract: To date, many web visualization applications have shown the usefulness of a hyperbolic tree. However, we have discovered that strict hierarchical tree structures are too limited. For many practical applications, we need to generalize a hyperbolic tree to a hyperbolic space. This approach results in massive cross-links in a highly connected graph that clutter the display. To resolve this problem, an invisible link technique is introduced. In this paper, we describe the navigation in a large hyperbolic space using invisible links in some detail. We have applied this invisible link method to three data mining visualization applications: e-business web navigation for URL visits, customer call center for question- answer service, and web site index creation.
11 Pages
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