Author

J. van Diggelen

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Open access Oct 2026

Designing healthy and resilient information environments: A multi‐agent sandbox for exploring risks and countermeasures

Artificial intelligence is transforming online information environments, amplifying both societal benefits and risks. This article argues that online platforms can be understood as multi‐agent systems (MAS) composed of humans, simulated users, adversarial agents, and defensive agents operating under platform‐level ru...

J. van Diggelen, Maaike D. Homan · The AI Magazine · 0 citations

2026

Green Bots versus Red Bots: Evaluating Large Language Models for Simulating Persuasion Dynamics in Online Influence Campaigns

A dual-level evaluation framework to assess LLM-based agents at both the individual and collective levels is proposed, finding that while agents capture broad partisan orientations, they underestimate within-group variability and reproduce stereotypical ideological biases.

M. Al Ali, Filip Mihai Muntean, Lucia Donatelli et al. · International Conference on... · 1 citation