Author

Pu-Rui Liu

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#artificial intelligence Preprint Oct 2026

RewardWeaver: Long-Horizon Interactive Learning for Language Agents via Self-Evolving Reward Adaptation

RewardWeaver is introduced, a self-evolving reward adaptation framework for language agents in long-horizon interaction that maintains a validated capability space in which the semantics of admitted Rubrics remain fixed, and closes the loop between policy optimization, task evaluation, failure attribution, and reward a...

Heng-Bo Xiao, Bo-Yao Zhang, Pu-Rui Liu et al. · 0 citations

#machine learning Sep 2025

PiERN: Token-Level Routing for Integrating High-Precision Computation and Reasoning

Physically-isolated Experts Routing Network (PiERN), an architecture that directs computation and reasoning at token level, thereby enabling iterative alternation within a single chain of thought, is proposed, offering an efficient, interpretable, and scalable paradigm for interfacing language models with scientific sy...

Jing-Yuan Fan, Pu-Rui Liu, Heng Xiao et al. · arXiv.org · 0 citations