Band Together: Untargeted Adversarial Training with Multimodal Coordination against Evasion-based Promotion Attacks

概要

arXiv:2605.06238v1 Announce Type: cross Abstract: Multimodal recommender systems exploit visual and textual signals to alleviate data sparsity, but this also makes them more vulnerable to evasion-based promotion attacks. Existing defenses are largely limited to single-modal settings and mainly focu…