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Wan-Li Ouyang

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#artificial intelligence Preprint Nov 2026

RIVER: Evidence-guided multi-agent retrieval for enzyme--reaction discovery

Enzyme function annotation and the identification of candidate enzymes for a given reaction are essential steps in connecting genomic information to biochemical reaction networks. However, existing methods rely on sequence or structural similarity or on training with known enzyme--reaction pairs, making it difficult to...

Yi-Fan Chang, Yun-Ze Li, Fei-Fei Jiang et al. · 0 citations
#natural language process... Preprint Oct 2026

Beyond Retrieval Failure: Understanding Why LLMs Miss Evidence in Multi-Hop RAG

Multi-hop retrieval-augmented generation (RAG) requires an agent to retrieve evidence for a sequence of dependent sub-questions. When a wrong answer lacks a required passage, the passage may be inaccessible to the retriever, or the agent may have failed to issue a query that would retrieve it. Standard retrieval evalua...

Jia-Qi Wei, Wen-Xuan Huang, Cheng-Dong Xu et al. · 0 citations
Preprint Oct 2026

RoboBridge: A Self-Evolving Embodied Agent Framework for Sim-to-Real Transfer

A key challenge in bringing embodied intelligence into the real world is transferring capabilities from simulation to reality and enabling agents to continually adapt after deployment. End-to-end vision-language-action policies provide strong manipulation capabilities, but their transfer to physical environments typica...

Chen-Xi Li, Zhang-Rui Zhao, Rui Li et al. · 2 citations
#machine learning Preprint Oct 2026

GRAM: Correcting Frozen Time-Series Foundation Models via Graph-Retrieved Amplitude Memory

Time-series foundation models (TSFMs) enable zero-shot forecasting through large-scale cross-domain pretraining, while retrieval augmentation further improves their performance by leveraging historical information. However, existing methods typically correct TSFM forecasts using the ground-truth futures of similar hist...

Xiao-Yun Yu, Xiangfei Qiu, Yong-Gui Huang et al. · 0 citations
Preprint Sep 2026

SymbolicLM: Training Language Models as Symbolic Regressors

Experiments on multiple symbolic regression benchmarks show that SymbolicLM substantially improves structural recovery while maintaining competitive numerical fitting performance, demonstrating that symbolic regression can be explicitly learned as an intrinsic capability of LLMs.

Jun Yao, Ying-Fan Hua, Rui-Kun Li et al. · 0 citations

ChemMLLM: Chemical Multimodal Large Language Model

This work designs five types of multimodal tasks across text, molecular SMILES strings and images, and curates the datasets, demonstrating the feasibility of unifying multiple cross-modal chemical tasks within a single foundation model and enabling more intuitive, visual human-AI interaction.

Qian Tan, Di Zhang, Ben Gao et al. · 16 citations

StraTA: Incentivizing Agentic Reinforcement Learning with Strategic Trajectory Abstraction

StraTA is a simple framework that introduces an explicit trajectory-level strategy into agentic reinforcement learning (RL) and trains strategy generation and action execution jointly with a hierarchical GRPO-style rollout design, further enhanced by diverse strategy rollout and critical self-judgment.

Xiangyuan Xue, Yifan Zhou, Zidong Wang et al. · 1 citation
Preprint Aug 2026

Support Operation Factorization: Compositional Readout of Frozen Vision Encoders under Controlled Interventions

An injectively aligned leave-one-cell-out protocol over support x operation grids and SO-OPF, a readout that factors cell energy into support salience and a competitive operation posterior, and a readout that factors cell energy into support salience and a competitive operation posterior are introduced.

Zhong-Yao Wang, Wan-Li Ouyang, Tao-Yong Cui et al. · 0 citations
Preprint Aug 2026

Diagnosing and narrowing the simulation-to-real gap in powder X-ray diffraction with a wet-dry agentic loop

Powder X-ray diffraction (PXRD) is the routine probe of crystalline matter, yet its analysis is the rate-limiting step as laboratories automate acquisition. Deep-learning analyzers excel on simulated patterns and degrade on measured ones. This simulation-to-real gap is structural, not additive: synthetic denoising give...

Shaoguang Wang, Weiyu Guo, Ben Fei et al. · 0 citations
#natural language process... Preprint Sep 2026

JEPA-Anything: Learning Predictive Models across Different Worlds

JEPA-Anything, a domain-agnostic framework based on orthogonal predictive factorization (OPF), achieves the lowest one-step and 100-step molecular errors among compared methods in all four systems and supports a common factorized predictive principle across heterogeneous worlds.

Tao-Yong Cui, Zhong-Yao Wang, Xin-Yue Xu et al. · 2 citations
#machine learning Preprint Sep 2026

An immune world model for multiscale forecasting and therapeutic hypothesis generation

Immune therapies act across cell-intrinsic programs, tissue ecosystems, and patient-specific immune states, yet most predictors address these scales separately. We used a governed evolutionary AI Scientist to construct the Immune World Model, an action-conditioned model that learns how interventions move immune states...

Tao-Yong Cui, Xi Wang, Zong-Hang Li et al. · 0 citations

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