Author

Shi-Jia Xu

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#artificial intelligence Preprint Oct 2026

SkillGATE: Gate-Aware Monte Carlo Tree Search for Skill Retrieval

Skill Retrieval (SR) aims to identify the most relevant skills from external skill libraries, and becomes increasingly challenging as libraries grow in scale and diversity. Existing methods either rank skills independently or rely on predefined graph propagation and hierarchical routing, making them vulnerable to seman...

Rong-Chen Zhao, Yu Chen, Yan-Min Yang et al. · 0 citations

Preprint Sep 2026

ChunkTrust: Adapting Execution Horizons for Robot Policies with Action-Expert Evidence

Robot foundation policies predict action chunks, but how many actions to execute before replanning depends on the current task phase. We introduce ChunkTrust, which treats the execution horizon as a latent variable inferred from action-expert evidence rather than a fixed hyperparameter. Its training-free Action-aware H...

Fan-Ding Huang, Jing-Yan Jiang, Shi-Feng Bao et al. · 0 citations