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20242026
most citedThe Great Ban: Efficacy and Unintended Consequences of a Massive Deplatforming Operation on Reddit

17 citations · 39 across the 14 of their papers we have counts for

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5 papers · 1 filter

cs.CL2026

CT: Counterfactual Causal Reasoning for Sentiment Shifts in Social-Media Conversation Trees

S M Rafiuddin, Atriya Sen

Sentiment in social-media threads does not only vary across posts; it shifts as users react to claims, corrections, evidence, and hostility within a branching reply tree. We study…

cs.HC2026

Contextualized Counterspeech Can Be More Persuasive Than Generic Counterspeech

Lorenzo Cima, Alessio Miaschi, Amaury Trujillo +3

AI-generated counterspeech offers a scalable and effective strategy to mitigate online toxicity by promoting more constructive dialogue. Yet, existing approaches adopt a generic, o…

cs.CY2026

Assessing the Reliability of Persona-Conditioned LLMs as Synthetic Survey Respondents

Erika Elizabeth Taday Morocho, Lorenzo Cima, Tiziano Fagni +2

Using persona-conditioned LLMs as synthetic survey respondents has become a common practice in computational social science and agent-based simulations. Yet, it remains unclear whe…

cs.CL2026

A Geometric Analysis of Small-sized Language Model Hallucinations

Emanuele Ricco, Elia Onofri, Lorenzo Cima +2

Hallucinations -- plausible but factually incorrect responses -- pose a major challenge to the reliability of Large Language Models (LLMs), especially in multi-step or agentic sett…

cs.SI2026

The Big Ban Theory: A Pre- and Post-Intervention Dataset of Online Content Moderation Actions

Aldo Cerulli, Lorenzo Cima, Benedetta Tessa +2

Online platforms rely on moderation interventions to curb harmful behavior such as hate speech, toxicity, and the spread of mis- and disinformation. Yet research on the effects and…