arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2202.08159cs.SIcs.LG
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基于强化学习的领域自适应假新闻检测

Domain Adaptive Fake News Detection via Reinforcement Learning

Arizona State University(亚利桑那州立大学);Illinois Institute of Technology(伊利诺伊理工学院)

Ahmadreza Mosallanezhad, Mansooreh Karami, Kai Shu, Michelle V. Mancenido, Huan Liu

摘要:

随着社交媒体成为信息消费的主要力量,假新闻的加速传播为平台区分合法和假新闻提出了新的挑战。由于新闻领域的多样性和昂贵的注释成本,有效的假新闻检测是一项重要的任务。在这项工作中,我们通过结合辅助信息(例如,用户评论和用户-新闻交互)转换为一种新的基于强化学习的模型,称为\textbf{RE}强化的\textbf{A}自适应的\textbf{L}获得\textbf{F}的\textbf{N} ews \textbf{D}检测(REAL-FND)。REAL-FND利用跨域和域内知识,使其在目标域中具有鲁棒性,尽管是在不同的源域中训练的。在真实数据集上的大量实验表明了该模型的有效性,特别是当目标域中的标记数据有限时。

英文摘要:

With social media being a major force in information consumption, accelerated propagation of fake news has presented new challenges for platforms to distinguish between legitimate and fake news. Effective fake news detection is a non-trivial task due to the diverse nature of news domains and expensive annotation costs. In this work, we address the limitations of existing automated fake news detection models by incorporating auxiliary information (e.g., user comments and user-news interactions) into a novel reinforcement learning-based model called \textbf{RE}inforced \textbf{A}daptive \textbf{L}earning \textbf{F}ake \textbf{N}ews \textbf{D}etection (REAL-FND). REAL-FND exploits cross-domain and within-domain knowledge that makes it robust in a target domain, despite being trained in a different source domain. Extensive experiments on real-world datasets illustrate the effectiveness of the proposed model, especially when limited labeled data is available in the target domain.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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