Ai Han — accepted AI-conference papers

2026

Hierarchical Attacks for Multi-Modal Multi-Agent Reasoning

Hao Zhou, Tiru Wu, Yan Jiang, Wanqi Zhou, Junxing Hu, Ai Han

CVPR 2026

Multi-modal multi-agent systems (MM-MAS) have gained increasing attention for their capacity to enable complex reasoning and coordination across diverse modalities. As these systems continue to expand in scale and functionality, investigating their potential vulnerabilities has become increasingly i

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2026

NaviAgent: Graph‑Driven Bilevel Planning for Scalable Tool Orchestration

Yan Jiang, HAO ZHOU, Lizhong Gu, Tianlong Li, Ruinan Jin, Wanqi Zhou +1

ICML 2026poster

Large Language Models (LLMs) increasingly act as function call agents that invoke external tools to tackle tasks beyond their static knowledge. However, they typically invoke tools one at a time without a global view of task structure. As tools often depend on one another, this leads to error accumu…

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