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Han-Qi Feng

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#artificial intelligence Preprint Sep 2026

Making Every Tool Call Count: Necessary Tool-Evidence Path Rewards for Agentic Vision-Language Models

This work proposes NTEP-R (NTEP Reward), a supervision mechanism ensuring that each tool invocation strictly advances the reasoning process toward the final solution, and introduces a non-repeated-goal regularizer to penalize redundant calls that revisit satisfied NTEP goals.

Xing-Ming Long, Yu Liu, Zhi-Wei Yang et al. · 0 citations
Jul 2026

CARE: Pre-Execution Command Verification for Shell-Executing LLM Agents

CARE (Canonicalization, Attribution, and Resolution Engine), a shell-specific, static-first verifier for individual shell commands before execution can reduce dispatch-boundary risk for LLM agents while preserving most benign workflows.

Yu Liu, Wenxiao Zhang, Zhiwei Yang et al. · 1 citation
Preprint Aug 2026

CONTRAMEM: Learning Self-Evolving Procedural Memory from Contrasting Multi-Model Trajectories

Autonomous computer-use agents are increasingly applied to long-horizon tasks requiring coordinated application calls, persistent state tracking, and verifier-sensitive writes, yet they remain prone to procedural failures: misreading application state, tool semantics, or task progress. Procedural memory promises more c...

Zheyuan Deng, B.-L. Lu, Hanqi Feng et al. · 0 citations

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