Like peeling an onion layer by layer to reveal the natural groups inside!
The Girvan-Newman algorithm finds communities by removing the most important "bridge" connections between groups. It creates a hierarchy showing how communities split apart as connections are removed.
The Girvan-Newman algorithm works by identifying and removing edges with the highest betweenness centrality - edges that lie on many shortest paths between nodes. These "bridge" edges connect different communities, so removing them reveals the natural community structure.
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