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Kaifeng Guo

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#artificial intelligence Preprint Oct 2026

Proactive Memory for Event-Driven LLM Agents

Proactive Memory (ProactMem), which organizes history into recent events, temporal trajectories, and behavioral regularities, is proposed, which organizes history into recent events, temporal trajectories, and behavioral regularities.

Jin-Yang Li, Zi-Chuan Fu, Xian Wu et al. · 0 citations
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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