Author

Xin-Yuan Xie

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#artificial intelligence Preprint Oct 2026

WeGR: Unified Generative Retrieval for Industrial Search Systems in WeChat

Generative retrieval (GR) offers a promising paradigm for industrial search by unifying candidate generation within an autoregressive framework. However, its effectiveness is limited by two key challenges. First, existing Semantic ID (SID) tokenizers struggle to incorporate collaborative signals while maintaining effec...

Jia-Jun Han, Guo-Xin Ma, Felix et al. · 0 citations

#artificial intelligence Preprint Oct 2026

HuatuoGPT-3: RL-Only Domain Adaptation from Base Models

One-stage Policy Optimization (OnePO), which treats teacher outputs as transient guidance for policy improvement, is proposed, which combines Adaptive Objective Evolution to strengthen learning on informative low-probability teacher tokens and Teacher Retirement to discard teacher outputs once the current policy can su...

Junying Chen, Xin-Yuan Xie, Zi-Niu Li et al. · 0 citations