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Yong-Xin Chen

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#machine learning Preprint Oct 2026

How Long, Not How Close: A Learned Temporal Metric for Planning in Latent World Models

Latent world models plan by rolling a frozen predictor forward under candidate action sequences and ranking the candidates by the latent distance between their imagined end state and the goal. However, this ranking breaks down when the goal lies several plans away, because the latent distance measures how closely an en...

Lama Moukheiber, Haotian Xue, Yong-Xin Chen · 0 citations
#machine learning Preprint Oct 2026

Harnessing LLMs as Agents: What Does It Cost?

Language-model agents increasingly rely on harnesses that manage bounded context, persistent memory, tools, verification, and repeated execution, yet existing notions of model capability do not quantify the computational resources these mechanisms consume. We introduce the Language Model Agent Machine (LAM), a resource...

Ze-Lin Zhao, Xin-Yu Guo, Jing-Yuan Zhang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

LabBook: Harnessing Experimental History for Efficient LLM-Driven Discovery

Evolutionary approaches to LLM-driven discovery often generate new programs from a small set of selected ancestors. This keeps contexts manageable but can omit useful evidence from other experiments, whereas including the full experimental history produces long, redundant contexts. We introduce a simple, single-agent d...

Bo Yuan, Wenqian Ye, Ze-Lin Zhao et al. · 0 citations
Preprint Sep 2026

VeriPhy: Agentic Physical Reasoning for World Model Evaluation and Refinement

VeriPhy, an auditable physical-verification system in which a text-only planner compiles the prompt into typed physical obligations and a statically validated execution plan before any frame is observed, is presented.

Wenzhuo Xu, Yu-Chen Zhu, Chongjian Ge et al. · 0 citations
Preprint Aug 2026

Thinking with Anchors: Grounded and Efficient Document Reasoning

ADOPD 2026 is presented, a reasoning-oriented extension of ADOPD that turns page decomposition into spatially grounded document understanding and provides a task framework that moves document understanding beyond localization toward anchor-grounded document intelligence.

Sichen Zhu, Yuchen Zhu, Wenzhuo Xu et al. · 0 citations

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