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Author

Hengbo Xiao

3 papers indexed here

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Preprint Oct 2026

ASE: Attribution-Guided Semantic Evolution for Time Series Forecasting

This work presents Attribution-guided Semantic Evolution (ASE), a modular framework for constructing textual factors, evaluating their conditional contribution, and deploying validation-selected numerical--textual predictors, coupled to suitable numerical experts.

Yuxuan Zheng, Zhao-Yang Li, Pu-Rui Liu et al. · 0 citations
#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
Preprint Aug 2026

DEFT: Data-Efficient Frequency-domain Top-k Sampling via Inverse Discrete Fourier Transform for Spatiotemporal Dynamical Systems Modeling

This work proposes DEFT, a frequency-domain data sampling method that identifies the dominant Fourier modes of a physical system and systematically varies the corresponding amplitudes and phases to generate physically consistent training data via the inverse discrete Fourier transform.

Hengbo Xiao, Jiale Liu, Jia-Hao Song et al. · 0 citations

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