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Juan-Zi Li

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Preprint Oct 2026

Event-STVG: Spatio-Temporal Video Grounding for Long-Form Event Reasoning

This paper introduces Event-STVG, a task that shifts STVG from locating what is described toward event-level reasoning by unifying long-form context, repeated-event reasoning, event localization, role inference, and multi-target grounding.

Yi-Zhe Zhang, Xu-Jia Wang, Song Tang et al. · 0 citations
#artificial intelligence Preprint Aug 2026

CogEvol: Towards Efficient and Reliable Learning Environment Generation

CogEvol, a family of models trained specifically for Learning Environment Generation: turning a course brief into a finished learning artifact (structured-JSON slides or self-contained interactive HTML pages) in a single pass, lowering the unit cost of AI-native education at scale.

Shangqing Tu, Daniel Zhang-Li, Yu-Cheng Wang et al. · 0 citations

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