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Author

Tian-Yu Yuan

4 papers indexed here

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#natural language process... Preprint Oct 2026

Nucleus Speculative Decoding: Plausibility-Aware Verification Beyond Exact Distribution

Speculative decoding accelerates autoregressive generation by using a lightweight draft model to propose multiple tokens that are verified by a target model in parallel. However, the standard acceptance rule focuses on exact distribution correction and rejects tokens that remain highly plausible under the target model...

Shu-Hao Li, Fang-Hua Ye, Wan-Yu Lin et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Failure-Guided Co-Evolution of Prompts and Training Data

ForGE is introduced, a failure-guided framework that co-evolves prompts and training data and establishes failures as a shared interface between prompt optimization and data synthesis, and shows the benefit of jointly adapting what a model is instructed to do and what it learns from

Tian-Yu Yuan, Zhu-Zhong Qian · 0 citations
Jul 2026

Post-Training Shifts Confidence: A Three-Stage Analysis of How SFT, RL, and OPD Shape CoT Calibration

A three-stage calibration framework that evaluates confidence before, during, and after chain-of-thought generation, corresponding to difficulty estimation, early termination, and answer aggregation finds that OPD provides the most useful pre-reasoning confidence, SFT gives the strongest online signal for early stoppin...

Shu-Hao Li, Guodong Du, An-Hao Zhao et al. · 1 citation
Preprint Jul 2026

Post-Training Shifts Confidence: A Three-Stage Analysis of How SFT, RL, and OPD Shape Pre-, Intra-, and Post-CoT Calibration

A three-stage calibration framework that evaluates confidence before, during, and after chain-of-thought generation, corresponding to difficulty estimation, early termination, and answer aggregation finds that OPD provides the most useful pre-reasoning confidence, SFT gives the strongest online signal for early stoppin...

Shuhao Li, Guodong Du, Anhao Zhao et al. · 0 citations

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