arXiv:2505.18596cs.CLcs.AI2025-05EMNLP被引 22

用多智能体辩论模拟真实查证,提升虚假信息检测的透明度和准确性。

Debate-to-Detect: Reformulating Misinformation Detection as a Real-World Debate with Large Language Models

  • 设计五阶段辩论流程,模拟真实查证过程,提升检测逻辑性。
  • 在两个数据集上超越基线方法,通过多维评估提升判断可靠性。
  • 适合关注可解释性与对抗性验证的研究者与实践者。

社交媒体中虚假信息泛滥暴露了传统检测方法的局限性,这些方法多依赖静态分类,难以捕捉真实查证中的复杂过程。尽管大语言模型(LLMs)提升了自动推理能力,其在虚假信息检测中的应用仍受限于逻辑不一致与表面验证问题。为此,我们提出 Debate-to-Detect(D2D),一种基于多智能体辩论(MAD)的新框架,将虚假信息检测重构为结构化对抗辩论。受真实查证流程启发,D2D为各智能体分配领域专属角色,并执行包含开场陈述、反驳、自由辩论、结案陈词与裁决五个阶段的辩论流程。为突破传统二元分类,D2D引入多维度评估机制,从真实性、来源可靠性、推理质量、清晰度与伦理五个维度评估每条声明。在 GPT-4o 上的实验表明,D2D 在两个数据集上显著优于基线方法;案例研究进一步展示其能迭代优化证据并提升决策透明度,标志着可解释性虚假信息检测的重要进展。代码将在正式发表后公开。

原文摘要 · Abstract (English)

The proliferation of misinformation in digital platforms reveals the limitations of traditional detection methods, which mostly rely on static classification and fail to capture the intricate process of real-world fact-checking. Despite advancements in Large Language Models (LLMs) that enhance automated reasoning, their application to misinformation detection remains hindered by issues of logical inconsistency and superficial verification. In response, we introduce Debate-to-Detect (D2D), a novel Multi-Agent Debate (MAD) framework that reformulates misinformation detection as a structured adversarial debate. Inspired by fact-checking workflows, D2D assigns domain-specific profiles to each agent and orchestrates a five-stage debate process, including Opening Statement, Rebuttal, Free Debate, Closing Statement, and Judgment. To transcend traditional binary classification, D2D introduces a multi-dimensional evaluation mechanism that assesses each claim across five distinct dimensions: Factuality, Source Reliability, Reasoning Quality, Clarity, and Ethics. Experiments with GPT-4o on two datasets demonstrate significant improvements over baseline methods, and the case study highlight D2D's capability to iteratively refine evidence while improving decision transparency, representing a substantial advancement towards interpretable misinformation detection. The code will be released publicly after the official publication.

虚假信息检测多智能体可解释性大模型

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