Author

Xiao-Qin Zhang

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Review Oct 2026

GroundedVDR: Grounding Video-to-Web Evidence Dependencies in Video Deep Research

Video large multimodal models have improved at identifying cross-frame visual evidence and conducting open-web retrieval, as reflected in recent video deep research (VDR) benchmarks. However, existing VDR benchmarks primarily evaluate tool-use trajectories and final responses without verifying whether a model actually...

Xi-Yuan Liang, Yu Wang, Zu-Hao Yang et al. · 0 citations

#artificial intelligence Preprint Oct 2026

ReTAC: Residual Test-Time Agentic Computation for Video Spatial Reasoning

Test-time agentic computation can improve multimodal large language models (MLLMs) through planning, tool use, iterative perception, and reflection, but indiscriminate computation may duplicate resolved work, introduce noisy evidence, and perturb correct predictions. We propose that such computation should be residual:...

Yi-Ke Wu, Keyan Chen, Qi-Xiong Wang et al. · 0 citations