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Jingtong Gao

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Book Open access Aug 2026

Hierarchical Residual Policy Optimization for Generative Recommendations

Hierarchical Residual Policy Optimization (HRPO), a post-training framework that converts item-level outcomes into dense, token-aligned learning signals for conservative token-wise improvement, is proposed.

Kaifeng Guo, Yiming Yang, Jingtong Gao et al. · 0 citations

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