8 papers
Comparing Data Assimilation and Likelihood-Based Inference on Latent State Estimation in Agent-Based Models
Blas Kolic, Corrado Monti, Gianmarco De Francisci Morales +1
In this paper, we present the first systematic comparison of Data Assimilation (DA) and Likelihood-Based Inference (LBI) in the context of an Agent-Based Model (ABM). These models…
Conditional Publics: Shared Events and Divergent Meanings in the European Twitter Debate on the Ukraine War
Corrado Monti, Arthur Capozzi, Yelena Mejova +1
How do European publics debate a geopolitical crisis on social media, and do they inhabit a shared informational reality? We analyze over 38 million geolocated tweets from 20 Europ…
Learning Individual Behavior in Agent-Based Models with Graph Diffusion Networks
Francesco Cozzi, Marco Pangallo, Alan Perotti +2
Agent-Based Models (ABMs) are powerful tools for studying emergent properties in complex systems. In ABMs, agent behaviors are governed by local interactions and stochastic rules.…
Uncovering the Sociodemographic Fabric of Reddit
Federico Cinus, Corrado Monti, Paolo Bajardi +1
Understanding the sociodemographic composition of online platforms is essential for accurately interpreting digital behavior and its societal implications. Yet, current methods oft…
Bias and Identifiability in the Bounded Confidence Model
Claudio Borile, Jacopo Lenti, Valentina Ghidini +2
Opinion dynamics models such as the bounded confidence models (BCMs) describe how a population can reach consensus, fragmentation, or polarization, depending on a few parameters. C…
Narratives of War: Ukrainian Memetic Warfare on Twitter
Yelena Mejova, Arthur Capozzi, Corrado Monti +1
The 2022 Russian invasion of Ukraine has seen an intensification in the use of social media by governmental actors in cyber warfare. Wartime communication via memes has been a succ…