Author

Jie Peng

Renmin University of China

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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