2 papers
cs.IR2026
DualSpectralCF: Training-Free Sign-Aware Spectral Collaborative Filtering
Guanqun Yang, Tong Qi, Xiaoxue Han
Real-world recommendation platforms routinely collect explicit negative feedback such as 1-star reviews, hate-button clicks, distrust between users, and very-low watch-ratio videos…
cs.IR2026
Sequential Modality Dropout for Robust Multi-Modal Sequential Recommendation
Guanqun Yang, Wenlong Zhang
Multi-modal sequential recommenders assume every item carries every modality, but real product catalogs often miss images or text, and a model trained on complete data loses much o…