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Uncovering the Generative Mechanisms of Hate Speech and Opinion Polarization in Online Communities

Objectif

"Hate speech and opinion polarization threaten democratic resilience, social cohesion, and citizen well-being across the globe. While computational methods have advanced the detection of toxic speech online, the underlying mechanisms that drive polarization and escalate hate remain poorly understood. GENPOLAR addresses this gap by applying a critical realist process perspective to uncover the generative mechanisms of polarization and hate speech in diverse online contexts. The project brings together a comparative partnership spanning Europe and Asia, organised around four national case studies. Brunel University London will investigate the effectiveness of Reddit's large-scale community bans (""the Great Ban"") in reshaping toxic user behaviour and mitigating hate speech. Università degli Studi di Salerno will examine migration and populist debate on Twitter/X and in the comment sections of major Italian news portals. Insan Haklari Okulu Dernegi will study immigration discourse in Türkiye across online forums, social media and national news portals, contributing a human rights perspective on digital media. Yonsei University (South Korea) will analyse gender-based conflicts that have become flashpoints for extreme polarization in digital spaces. Budapesti Corvinus Egyetem contributes process mining and computational expertise to cross-case comparison. Together, these case studies provide a cross-cultural basis to identify similarities and differences in the mechanisms that fuel polarization. GENPOLAR integrates computational social science methods (NLP, stance detection, network analysis, clustering) with qualitative inquiry to move beyond surface-level correlations. By developing process theories of polarization grounded in critical realism, the project will explain how interventions (such as community bans or moderation) succeed or fail in transforming online behaviour. Through structured staff exchanges, interdisciplinary training, and comparative empirical work, GENPOLAR will build a lasting research network that bridges computational methods, social theory, and policy relevance. The project will generate actionable insights for scholars, platform managers, and policymakers seeking to counter online hate and polarization, while equipping a new generation of researchers with the skills to tackle one of the most urgent challenges."

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Mots‑clés

Programme(s)

Thème(s)

Régime de financement

HORIZON-TMA-MSCA-SE - HORIZON TMA MSCA Staff Exchanges

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Appel à propositions

(s’ouvre dans une nouvelle fenêtre) HORIZON-MSCA-2026-SE-01

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Coordinateur

BRUNEL UNIVERSITY LONDON
Contribution nette de l'UE
€ 165 440,00
Adresse
KINGSTON LANE
UB8 3PH UXBRIDGE
Royaume-Uni
Région
London Outer London — West and North West Harrow and Hillingdon
Type d’activité
Higher or Secondary Education Establishments
Liens
Coût total
Aucune donnée

Participants (2)

Partenaires (2)