一作SIGIR 2026Oral· Information Retrieval (Full)
Mitigating Adversarial Attacks by Transferring LLM-generated Narrative Reasoning for Robust Fake News Detection
Mengyang Chen · Lingwei Wei · Wei Zhou · Songlin Hu
摘要
Propagation-based fake news detectors primarily extract structural patterns from news propagation trees via graph neural networks (GNNs), which are crucial for trustworthy information access on social platforms. However, these systems remain vulnerable to adversarial message injection, increasing...