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ReDSOM: Relative Density Visualization of Temporal Changes in Cluster Structures Using Self-organizing Maps

Denny, Denny; Williams, Graham; Christen, Peter


We introduce a Self-Organizing Map (SOM) based visualization method that compares cluster structures in temporal datasets using Relative Density SOM (ReDSOM) visualization. Our method, combined with a distance matrix-based visualization, is capable of visually identifying emerging clusters, disappearing clusters, enlarging clusters, contracting clusters, the shifting of cluster centroids, and changes in cluster density. For example, when a region in a SOM becomes significantly more dense...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Conference paper
Source: Proceedings of 8th IEEE International Conference on Data Mining (ICDM 2008)
DOI: 10.1109/ICDM.2008.34


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