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Zhong-Bo Sun

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Preprint Oct 2026

HiGenTrans: Hierarchical LLM Knowledge Transfer for Generative Recommendation

Generative recommendation promises to simplify conventional multi-stage recommender systems by generating item Semantic IDs (SIDs) autoregressively. However, two obstacles limit its effective- ness in industrial settings: interaction-only supervision underuses the semantic knowledge encoded in pretrained language model...

Zhuo-Hang Jiang, Yu-Xin Chen, Hao-Hao Qu et al. · 0 citations

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