Jul 2026
Can Generative Recommendation Reach Cold Items? A Temporal Perspective on Semantic-ID Generation
This work revisits SID-based generative recommendation under an absolute-time temporal protocol that separates seen and unseen targets and diagnoses the cold item reachability at the token level, and shows that SID generation is compositional but not fully open-ended.
Jie Peng, Yanping Zheng, Zhewei Zhe et al.
· arXiv.org · 1 citation