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Zhi-Wei Yang

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#artificial intelligence Preprint Oct 2026

A-RSI: Adaptive Task Refresh for Zero-Data Multimodal Self-Improvement

Recursive self-improvement requires models not only to acquire useful training experience, but also to decide when their current experience has ceased to be useful. Existing methods often focus on what experience to generate next, while paying less attention to when fresh experience should be introduced. Many also cons...

Yu Liu, You-Xing Li, Yue-Dong Tan et al. · 0 citations
Preprint Sep 2026

OmniStepBench: Deployment-Aware Agent Evaluation across Modalities and Task Complexity

As large language models evolve from question-answering systems into general-purpose agents, evaluation must move beyond static answer correctness to assess multimodal perception, multi-step execution, tool use, and artifact delivery. However, existing benchmarks are often tied to specific task types, execution environ...

Yu Liu, Zhi-Lin Liu, Zhi-Wei Yang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

DAREBench: Deployment-Aware and Reliable Evaluation of Models as Agents

DAREBench (Deployment-Aware and Reliable Evaluation of Models as Agents), a benchmark designed to capture workload variation and support reliable agent evaluation, is introduced, suggesting that agent deployment and model selection should consider workload profiles, deployment mode, and accuracy--cost trade-offs rather...

Yu Liu, Zhi-Lin Liu, Zhi-Wei Yang et al. · 0 citations
#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

ClueWeaver: Reward-Guided Dual-Agent Evidence Reasoning for Compact LLMs on Literary Long Narratives

Experiments across multiple long-context narrative question answering and claim verification settings show that ClueWeaver substantially improves local end-to-end language models while providing evidence coverage and paragraph-referenced reasoning traces.

Ji-Hao Zhu, Zhi-Wei Yang, Wen-Xiao Zhang et al. · 0 citations

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