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Zhen Xiang

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#artificial intelligence Preprint Sep 2026

ExplorationBench: Measuring AI Systems'Exploration in Verifiable Alien Worlds

ExplorationBench turns the wicked problem of evaluating scientific exploration into a concrete and tractable framework built on verifiable Alien Worlds, and finds that the strongest systems can acquire and apply unfamiliar rules, while performance varies substantially across trajectories and continued exploration can s...

Ming Zhang, Zhen Xiang, Pei-Zhong Gao et al. · 0 citations
#machine learning Review Sep 2026

Complex Problem Solving in Large Language Models: A Statistical Control Survey and Diagnostic Framework

This framework organizes existing methods around five components: explicit state representation, transition structuring, validation and constraint enforcement, search and rollback, and uncertainty management, and yields a diagnostic hypothesis: interventions should be most effective when they target the error or uncert...

Jia-Zhang Cai, Tao Wang, Rui-Dong Zhang et al. · 0 citations
#natural language process... Preprint Aug 2026

MuseCritic: Learning Multi-Aspect Song Rewards through Natural-Language Aesthetic Critiques

MuseCritic is introduced, a semi-scalar reward model that generates a natural-language critique covering five aesthetic dimensions and uses it as an intermediate representation to predict continuous reward scores, showing that critique-conditioned reward modeling reduces scoring error and provides an effective optimiza...

Jiabao Zhuang, Changhao Jiang, Hanchen Wang et al. · 0 citations
Open access Jul 2026

Interpretable agentic AI system with localized reasoning for radiology.

RadFabric is presented, an agentic AI system that orchestrates fourteen specialized open-source CXR analytics models and two Vision-Language Models through a modular protocol that enables explainable, robust diagnoses across common and rare pathologies while facilitating extensibility through additional agents.

Wenting Chen, Yi Dong, Zhaojun Ding et al. · 3 citations

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