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Yu-Jia Zhou

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#artificial intelligence Preprint Oct 2026

EnGRICH: Enhancing Generative Reward Modeling with Critiques from Humans

Generative reward models (GRMs) are important for LLM optimization. Unlike scalar reward models, GRMs generate natural-language critiques alongside preference judgments, providing finer-grained evaluation signals. Their effectiveness depends heavily on critique reliability. However, existing GRM training typically uses...

Xuan-Cheng Li, Bei-Ning Wang, Hai-Tao Li et al. · 0 citations
#natural language process... Preprint Aug 2026

Mitigating Identity Essentialism in LLM Agents with Longitudinal Life Trajectories

This work proposes LifeMem, a longitudinal memory framework that combines structured life-event retrieval with agent-specific parametric memory for experience integration, and shows that LifeMem improves alignment with human data in terms of response distributions, overall and within-group diversity, and patterns of wi...

Hexi Wang, Yu-Jia Zhou, Bangde Du et al. · 0 citations

Benchmarking LLM-as-a-Judge for Long-Form Output Evaluation

This work introduces LongJudgeBench, a comprehensive benchmark for evaluating LLM judges on long-form outputs across diverse real-world scenarios and judging protocols, and systematically evaluates a broad range of LLM judges, covering multiple base models and judging settings.

Junjie Chen, Yuxin Dong, Haitao Li et al. · 0 citations

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