Author

Hao-Chen Liu

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Preprint Aug 2026

HARP: Hierarchical Adaptive Ranking with Preference-Adaptive Fusion for Query-Based CVE Prioritization

Vulnerability prioritization is inherently preference dependent, since the same CVE can receive different remediation priority under different operational preference scenarios. Existing scoring systems and ranking methods typically assume a fixed criterion. In practice, organizations already operate under a preference...

Hao-Chen Liu, Zheng-Zhang Chen, Hao-Yu Wang et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Does Learning to Predict the World Help Agents Act? Auditing World-Model Post-Training

This work replaces true next-observation targets with in-distribution mismatched observations and introduces a setting that replaces prediction-based rewards with independent random signals, which expands task coverage even when the reward carries no environment information.

Xin-Yu Che, Hang Yan, Yan-Chen Liu 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