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Wei-Hang Su

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#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
Jul 2026

Structure-aware Relative Policy Optimization for Ranking

Experimental results across two ranking scenarios demonstrate that explicitly modeling permutation-level differences improves the effectiveness and stability of listwise ranking, with particularly favorable performance in limited-feedback and complex list-level optimization settings.

Yi-Teng Tu, Wei-Hang Su, Zi-Tao Su 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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