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A Kernel-based Algorithm for Multilevel Drawing Web Graphs

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5 Author(s)
Xiaodi Huang ; Sch. of Math., New England Univ., Armidale, NSW ; Wei Lai ; Di Zhang ; Maolin Huang
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A Web graph refers to the graph that models the hyperlink relations between Web pages in the WWW, where a node represents a URL and an edge indicates a link between two URLs. A Web graph is normally a very huge graph. In the course of users' Web exploration, only part of the Web graph is displayed on the screen each time according to a user's current navigation focus. In this paper, we make use of a fast kernel-based algorithm that is able to cluster large graphs. The algorithm is implemented in an online visualization system of Web graphs. In the system, a Web crawler first generates the Web graph of web sites. The clustering algorithm then reduces the visual complexities of the large graph. In particular, it groups a set of highly connected nodes and their edges into a clustered graph with abstract nodes and edges. The experiments have demonstrated that the employed algorithm is able to cluster graphs.

Published in:

Computer Graphics, Imaging and Visualisation, 2007. CGIV '07

Date of Conference:

14-17 Aug. 2007