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Author

Cehao Yang

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#artificial intelligence Review Sep 2026

DynSTEER: Dynamic Stage-wise Trajectory Evaluation and Execution-time Review for Agents

Large language model agents are increasingly deployed for long-horizon task execution, raising a central granularity question for trajectory evaluation: whole-trajectory verification is too coarse to capture concrete failures and their associated evidence in long trajectories, while atomic-step scoring is too fine-grai...

Zhichao Shi, Xuhui Jiang, Wen-Jie Zhang et al. · 1 citation
Preprint Aug 2026

Envs-FORGE: Frontier-Optimized Reward-Grounded Environment Synthesis for Agent RL

Reinforcement learning (RL) for terminal agents needs executable training environments with reliable rewards and useful difficulty. Fixed recipes such as few-shot, Self-Instruct, and Evol-Instruct apply the same prompting policy to every seed, even when the current policy would benefit from a harder, easier, or simply...

Xiao-Jun Wu, Ce-Hao Yang, Honghao Liu et al. · 1 citation
#natural language process... Preprint Aug 2026

DataFoundry: Evolving Data Preparators via Recursive Self-Improvement

The DataFoundry is introduced, a framework for evolving data preparators through recursive self-improvement before large-scale data production, and it is found that recursively evolved preparators produce training data with higher downstream utility than baselines.

Ce-Hao Yang, Xiao-Jun Wu, Xueyuan Lin et al. · 1 citation
Preprint Aug 2026

LazyTrain: Limited-resource Allocation toward Zero-waste Yield Optimization in Large Language Model Training

LazyTrain is proposed, an optimization layer over a layer-streaming executor that formulates checkpoint selection, activation placement, recomputation, and CPU-GPU-NVMe communication overlap as a mixed-integer scheduling problem, then executes the solved policy during training.

Xiao-Jun Wu, Ce-Hao Yang, Hong-Hao Liu et al. · 1 citation

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