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Jiewei Zhang

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#artificial intelligence Preprint Sep 2026

Beyond Prediction: Steering VLM Agents with Retrospective World Modeling

Equipping VLM agents with world modeling capabilities has shown strong potential for complex reasoning and long-horizon planning, while reducing the dependence of policy learning on costly real-world interactions. Existing methods mainly rely on prospective simulation to predict the consequences of candidate actions. H...

Yong-Jiang Liu, Jiewei Zhang, Hao-Yue Zhang et al. · 0 citations
#natural language process... Preprint Aug 2026

PACE-dLLM: Elastic Block Decoding via Confidence Cliff Estimation for Diffusion Language Models

PACE-dLLM is proposed, which fits this parametric cliff in closed form at each step, sets the next horizon by its saturation point, and uses an independent confidence threshold for token commitment, and achieves the best average accuracy on both open-source dLLM backbones.

Xiao-Cheng Lu, Shu-Han Guo, Zi-Yue Ma et al. · 1 citation
Preprint Aug 2026

OPTD: On-Policy Transition Distillation with Consistency-Guided Adaptive Compression for Few-Step Diffusion Language Models

This work proposes OPTD, On-Policy Transition Distillation with consistency-guided adaptive compression, which consistently improves the quality--efficiency trade-off and attains the strongest overall quality-constrained AUP among the evaluated few-step baselines.

Xiaocheng Lu, Hualei Zhang, Shuhan Guo et al. · 0 citations

Edge-Efficient Compositional Recognition via Disentangled Prompt Tuning of Frozen Vision-Language Models

This work proposes Progressively Disentangled and Recurrent Prompt Tuning (PDRPT), an edge-efficient framework that decouples object and state updates before joint refinement, suppresses traction force from highly-entangled prompts, and preserves alignment with the natural language space of CLIP.

Xiaocheng Lu, Chuan He, Ziming Liu et al. · 0 citations

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