Information Visualization

FIGURE 4

FROM:

Scalable and interactive visual analysis of financial wire transactions for fraud detection

Remco Chang, Alvin Lee, Mohammad Ghoniem, Robert Kosara, William Ribarsky, Jing Yang, Evan Suma, Caroline Ziemkiewicz, Daniel Kern and Agus Sudjianto

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Figure 4.

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Heatmap with close-up view on a cell histogram displaying the number of keywords for each account. Each horizontal (green) line in the histogram represents an account in the cluster. The x-axis shows the number of 'hits' of the keyword for that account. The purpose of showing the histogram is to combat the effect of using a cumulative sum in the Heatmap. By looking at the histogram, the user can quickly identify if the accounts in the same cluster contribute evenly to a specific keyword, or if there are abnormal distributions within the cluster.

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