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Yi-Meng Xu

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#artificial intelligence Preprint Sep 2026

StateGuard: Analytical-State Management with Validity-Aware Intervention for Long-Horizon Data Agents

Experiments on three diverse long-horizon data-analysis benchmarks show that StateGuard consistently improves data-agent performance while reducing dependency-induced downstream error propagation, demonstrating the advantages of explicit analytical-state management for reliable long-horizon data analysis.

Wen-Le Liao, Zhao Wang, Jing-Chao Zhang et al. · 0 citations
Open access Sep 2026

Multiscale characterization of an inflammatory macrophage state associated with an air pollutant–prioritized prognostic signature in gastric cancer

This framework integrates predictive, tissue-resolved, structural and phenotype-level evidence to prioritize exposure-linked molecular and immune hypotheses in GC and identifies an inflammatory/stress-associated MALAT1-high state.

Lu-Ming Zhao, Nan Hu, Yi-Meng Xu et al. · 0 citations
Preprint Jul 2026

KAT-Coder-V2.5 Technical Report

We present KAT-Coder-V2.5, a coding-focused agentic model trained to act autonomously inside real, executable repositories rather than as a single-turn code generator. Its capability is bottlenecked less by model scale than by the scarcity of reproducible environments, verifiable rewards, and high-value trajectories, w...

Bofeng Huang, Fengxiang Li, Hao Xu et al. · 2 citations

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