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Jia-Xuan Yang

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#artificial intelligence Preprint Sep 2026

Mr.LHDR: A Benchmark for Multimodal Real-World Long-Horizon Deep Research Agents

Findings reveal sustained, dependency-consistent evidence integration, rather than isolated fact retrieval, as a key bottleneck for current deep research agents.

Ming-Hao Guo, Meng Cao, Sui-Feng Zhao et al. · 0 citations