Search Results for author: Junfei Wu

Found 5 papers, 3 papers with code

Logical Closed Loop: Uncovering Object Hallucinations in Large Vision-Language Models

1 code implementation18 Feb 2024 Junfei Wu, Qiang Liu, Ding Wang, Jinghao Zhang, Shu Wu, Liang Wang, Tieniu Tan

In this work, we adopt the intuition that the LVLM tends to respond logically consistently for existent objects but inconsistently for hallucinated objects.

Hallucination Object

Can Large Language Models Detect Rumors on Social Media?

no code implementations6 Feb 2024 Qiang Liu, Xiang Tao, Junfei Wu, Shu Wu, Liang Wang

In this work, we investigate to use Large Language Models (LLMs) for rumor detection on social media.

Out-of-distribution Evidence-aware Fake News Detection via Dual Adversarial Debiasing

no code implementations25 Apr 2023 Qiang Liu, Junfei Wu, Shu Wu, Liang Wang

Then, DAL reversely optimizes news-aspect and evidence-aspect debiasing discriminators to mitigate the impact of news and evidence content biases.

Fake News Detection

Adversarial Contrastive Learning for Evidence-aware Fake News Detection with Graph Neural Networks

1 code implementation11 Oct 2022 Junfei Wu, Weizhi Xu, Qiang Liu, Shu Wu, Liang Wang

Comprehensive experiments have demonstrated the superiority of GETRAL over the state-of-the-arts and validated the efficacy of semantic mining with graph structure and contrastive learning.

Contrastive Learning Fake News Detection +2

Evidence-aware Fake News Detection with Graph Neural Networks

1 code implementation18 Jan 2022 Weizhi Xu, Junfei Wu, Qiang Liu, Shu Wu, Liang Wang

In this paper, we focus on the evidence-based fake news detection, where several evidences are utilized to probe the veracity of news (i. e., a claim).

Fake News Detection Graph structure learning

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