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Xing Kai Ren

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#reinforcement learning Open access Sep 2026

SAGE: Sequence-level Adaptive Gradient Evolution for Generative Recommendation

Generative recommenders increasingly train Semantic-ID models to autoregressively generate length-L slates, aligned to user feedback by reinforcement learning. Gradient-Bounded Policy Optimization (GBPO) stabilizes this stage with a BCE-stable asymmetric gradient bound, but its clipping boundary is computed per sample...

Yu Xie, Xing Kai Ren, Ying Qi et al. · 0 citations

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