Notabilia - Visualizing Deletion Discussions on Wikipedia

Notabilia - Visualizing Deletion Discussions on Wikipedia

A visualization of Article for Deletion discussions on Wikipedia by Moritz Stefaner (visualization) with Dario Taraborelli, Giovanni Luca Ciampaglia (data and analysis). The image shows the 100 longest discussions, which ultimately lead to the deletion of the respective article.

Each discussion is represented by a thread starting at the bottom center. Each time a user joins an AfD discussion and recommends to keep, merge, or redirect the article, a green segment leaning towards the left is added. Each time a user recommends to delete the article, a red segment leaning towards the right is added. As the discussion progresses, the length of the segments as well as the angle slowly decay.

Find the interactive visualizations and more analysis over at

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Posted Jan 12, 2011
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