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Francesco Gullo

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Open access Jul 2026

Top-k Diverse Polarized Communities in Signed Networks

The Diverse top-k-pc problem is introduced, which is the first principled formulation of top-k polarized communities with controlled overlap, and a greedy sequential algorithm that solves a generalized eigenvector problem at each step, efficiently discovering diverse polarized pairs.

Francesco Gullo, Domenico Mandaglio, Andrea Tagarelli · Machine-mediated learning · 0 citations