Portable graph-based rumour detection against multi-modal heterophily

Thanh Tam Nguyen, Zhao Ren, Thanh Thi Nguyen, Jun Jo, Quoc Viet Hung Nguyen, Hongzhi Yin

Abstract: Highlights•Identify the challenge of multi-modal heterophily for graph-based rumour detection.•Propose a portable, multi-modal, and heterophily-aware neighbourhood aggregation.•Light-weight graph transformer using only transformer encoder.•Our method outperforms baselines and is robust with different ratios of homophily.