4 papers
Recommender Systems as Control Systems
Giulia De Pasquale, Sarah Dean, Paolo Frasca
We propose a control-theoretic interpretation of recommender systems and use this perspective to analyze how fairness interventions shape long-term system behavior. Fairness concer…
A Coupled Friedkin-Johnsen Model of Popularity Dynamics in Social Media
Gaya Cocca, Paolo Frasca, Chiara Ravazzi
Popularity dynamics in social media depend on a complex interplay of social influence between users and popularity-based recommendations that are provided by the platforms. In this…
Optimal Policy Design for Repeated Decision-Making under Social Influence
Chiara Ravazzi, Valentina Breschi, Paolo Frasca +2
In this paper, we present a novel model to characterize individual tendencies in repeated decision-making scenarios, with the goal of designing model-based control strategies that…
Optimal policy design for decision problems under social influence
Valentina Breschi, Chiara Ravazzi, Paolo Frasca +2
This paper focuses on describing the impact of policy actions on individuals' opinions in the presence of social and external influences toward proposing preliminary nudging strate…