A Multi-Stage Agentic Framework for Effective Counter-Narrative Generation and Refinement
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Computer Science > Computation and Language
arXiv:2609.14178 (cs)
[Submitted on 12 Sep 2026]
Title:A Multi-Stage Agentic Framework for Effective Counter-Narrative Generation and Refinement
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Abstract:The rapid diffusion of hate speech and misinformation on social networks challenges democratic societies, since direct suppression efforts may deepen polarization, fuel public distrusts, and strengthen extremist narratives. LLM-driven counter-narratives (CNs) offer a promising way to reduce those risks, yet their effectiveness depends on rhetorical and stylistic choices that remain poorly understood. We present a multi-stage agent-based framework for generating, refining, and evaluating CNs, applied to pro-Russian hate and misinformation narratives on the war with Ukraine and adaptable to other domains. A pilot experiment with human evaluators identifies effective technique style pairings, such as repetition with emotional framing enhancing persuasiveness. Building on these insights, we introduce a multi-agent refinement process that iteratively improves CNs for persuasiveness, emotional engagement, and shareability. After human validation confirmed improvement, an automated safety analysis shows that our refined CNs match or improve on expert-written counterspeech. A simulated experiment then shows that they reduce the perceived strength of pro-Russian narratives and consistently outperform a vanilla LLM baseline, highlighting a pathway toward scalable, narrative-specific interventions against hate speech and misinformation. Code and data accompanying this work are publicly available at this https URL.
| Subjects: | Computation and Language (cs.CL); Computers and Society (cs.CY); Social and Information Networks (cs.SI) |
| Cite as: | arXiv:2609.14178 [cs.CL] |
| (or arXiv:2609.14178v1 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2609.14178
arXiv-issued DOI via DataCite (pending registration)
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