11 Dec 2020 | Rowan Zellers*, Ari Holtzman*, Hannah Rashkin*, Yonatan Bisk*, Ali Farhadi*, Franziska Roesner*, Yejin Choi*
The paper "Defending Against Neural Fake News" by Rowan Zellers et al. addresses the growing concern of neural fake news, which is generated to mimic real news articles and can be highly persuasive. The authors introduce Grover, a model that can generate realistic-looking fake news articles, including headlines, metadata, and authors. Humans find these generated articles more trustworthy than human-written disinformation. To counter this threat, the authors develop robust verification techniques using discriminators, which achieve 73% accuracy in distinguishing neural fake news from real news. Surprisingly, Grover itself performs better as a discriminator, achieving 92% accuracy. The study also explores the impact of exposure bias and sampling strategies on the effectiveness of discriminators. The authors conclude by discussing ethical considerations and plan to release Grover publicly to help detect neural fake news more effectively.The paper "Defending Against Neural Fake News" by Rowan Zellers et al. addresses the growing concern of neural fake news, which is generated to mimic real news articles and can be highly persuasive. The authors introduce Grover, a model that can generate realistic-looking fake news articles, including headlines, metadata, and authors. Humans find these generated articles more trustworthy than human-written disinformation. To counter this threat, the authors develop robust verification techniques using discriminators, which achieve 73% accuracy in distinguishing neural fake news from real news. Surprisingly, Grover itself performs better as a discriminator, achieving 92% accuracy. The study also explores the impact of exposure bias and sampling strategies on the effectiveness of discriminators. The authors conclude by discussing ethical considerations and plan to release Grover publicly to help detect neural fake news more effectively.