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Fei Yuan

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#machine learning Preprint Sep 2026

Training Specialist Models without Reasoning Trajectories for Domain Expert Distillation

This work shows that specialist optimization implicitly selects from this latent trajectory space, and establishes a new view of specialist training: when gold reasoning is absent, tuning choices directly control the latent supervision passed to downstream models.

Yi-Le Tu, Zi-Hao Li, Shao-Xiong Ji et al. · 0 citations
Conference Jul 2026

AutoQABench: A Three-Level UX Benchmark for Automated Evaluation of Open-Ended LLM Responses

Evaluating open-ended large language model responses remains difficult because response quality depends not only on factual correctness and task completion, but also on subjective and scenario-dependent user experience factors. Existing benchmarks and automatic evaluators are effective for coarse-grained assessment, ye...

Tianyou Wang, Fei Yuan, Chia-Ju Miao et al. · 0 citations

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