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Xing-Jun Ma

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#artificial intelligence Preprint Sep 2026

HazardAuditor: From Executable Threats to Safer Computer-Use Agents

HazardAuditor is introduced, an execution-grounded framework that runs heterogeneous agents in controlled environments and normalizes their interactions into a canonical event representation for cross-framework supervision, and observes that token-level post-training objectives create a structural mismatch for generati...

Yun-Hao Feng, Rui-Xiao Lin, Ming Wen et al. · 2 citations · ⚡1
#artificial intelligence Preprint Sep 2026

Sci-MMR: Benchmarking Multi-Step Evidence-Grounded Scientific Reasoning in Multimodal Agents

Sci-MMR is introduced, a benchmark for multi-step evidence-grounded scientific reasoning built on structured argument graphs linking scientific claims, citation-grounded knowledge, visual evidence, and supporting regions, and it is found that current answer-centric benchmarks substantially overestimate the evidence-gro...

Jia-Qiang Li, Ya-Jie Yang, Zhi-Heng Xi et al. · 0 citations
#natural language process... Preprint Aug 2026

OpenART: Scaling Agent Red Teaming via Open-Ended Environment Evolution

This work proposes the Evolutionary Markov Hypergraph Attack (EMHA), a black-box policy that performs feedback-driven environment evolution by coordinating authorized state transitions without requiring parameter updates, and establishes OpenART as a scalable foundation for studying agent safety in complex, evolving en...

Yunhao Chen, Xin Wang, Yi-Xu Wang et al. · 0 citations

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