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Author

Liang-Sheng Xu

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Preprint Oct 2026

LOOP: Recovery-Aligned Iterative Layer Pruning via On-Policy Distillation

Layer-level pruning is attractive for large language model (LLM) deployment as it reduces the model size while preserving a dense architecture that can be efficiently executed on standard hardware. Current methods typically follow a one-shot paradigm, which first removes selected layers to reach a target model size and...

Liang-Sheng Xu, Shu-Fan Shen, Zhong-Ni Hou et al. · 0 citations
#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

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