9 papers
Direct and Indirect Influence on Likes in Social Media
Ivan Kozitsin, Anton V. Proskurnikov
The present study investigates direct and indirect social contagion mechanisms in an online social network environment. Using a large-scale dataset comprising approximately 290,000…
Tackling Heterogeneity in Federated Learning via Variance-Reduced Boltzmann Sampling within Homogeneous Social Coalitions
Alessandro Licciardi, Roberta Raineri, Anton Proskurnikov +2
Federated Learning (FL) enables privacy-preserving collaborative model training, but its effectiveness is often limited by client data heterogeneity. We introduce a client-selectio…
Default Resilience and Worst-Case Effects in Financial Networks
Giuseppe Calafiore, Giulia Fracastoro, Anton Proskurnikov
In this paper we analyze the resilience of a network of banks to joint price fluctuations of the external assets in which they have shared exposures, and evaluate the worst-case ef…
Continuous-Time Distributed Learning for Collective Wisdom Maximization
Luka BakoviÄ, Giacomo Como, Fabio Fagnani +2
Motivated by the well established idea that collective wisdom is greater than that of an individual, we propose a novel learning dynamics as a sort of companion to the Abelson mode…
Imitation and Heterogeneity Shape the Resilience of Community Currency Networks
Camilla Ancona, Dora Ricci, Carmela Bernardo +3
Community currency networks are made up of individuals and or companies that share some physical or social characteristics and engage in economic transactions using a virtual curre…
Wisdom of Crowds Through Myopic Self-Confidence Adaptation
Giacomo Como, Fabio Fagnani, Anton Proskurnikov
The wisdom of crowds is an umbrella term for phenomena suggesting that the collective judgment or decision of a large group can be more accurate than the individual judgments or de…