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Zhen Xie

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#artificial intelligence Preprint Oct 2026

MC-EvoBench: Auditing Experience-Driven Self-Improvement in Minecraft Agents

A central challenge in embodied recursive self-improvement is enabling agents to convert interaction history into capabilities that persist beyond one world and transfer to later tasks. A saved memory or successful final action does not by itself establish that a reusable capability was acquired; evaluation must separa...

Jing-Wei Song, Zhi-Sheng Chen, Bing-Fan Zeng et al. · 0 citations

CRAM: Centroid-Routing and Adaptive MoE for Multimodal Continual Instruction Tuning

By isolating task-specific patterns into independent modules, CRAM mitigates catastrophic forgetting across tasks and boost parameter efficiency, and utilizes adaptive-rank instantiation to identify the capability gap between existing expert capability and new task demands, and dynamically allocate only the necessary p...

Jun Tang, Zhen Xie, Yucheng Shi et al. · 0 citations
Preprint Aug 2026

MemPrism: Task-Conditioned Relational Memory Views for Long-Horizon Agents

Experiments on long-horizon embodied and web-agent benchmarks show that MemPrism consistently improves the task performance, especially as trajectories become longer, while reducing memory token consumption.

Zhi-Sheng Chen, Bingfan Zeng, Bangde Cao et al. · 0 citations

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