2 papers
cs.SI2025
Rewarding Engagement and Personalization in Popularity-Based Rankings Amplifies Extremism and Polarization
Jacopo D'Ignazi, Emma Fraxanet Morales, Andreas Kaltenbrunner +3
Despite extensive research, the mechanisms through which online platforms shape extremism and polarization remain poorly understood. We identify and test a mechanism, grounded in e…
cs.IR2019
The few-get-richer: a surprising consequence of popularity-based rankings
Fabrizio Germano, Vicenç Gómez, Gaël Le Mens
Ranking algorithms play a crucial role in online platforms ranging from search engines to recommender systems. In this paper, we identify a surprising consequence of popularity-bas…