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Philip S. Yu

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#artificial intelligence Preprint Oct 2026

Looking Ahead and Back: Anticipatory Generative Modeling for Road-Network Trajectories

Trajectory generation underpins urban applications such as traffic management and urban planning. Within road networks, vehicle movement along road segments is largely deterministic, whereas transitions at intersections are critical--multiple outgoing paths may appear equally plausible, yet they can lead to substantial...

Zhen-Hao Huang, Li Sun, Philip S. Yu · 0 citations
Jul 2026

The Hyperspherical Geometry of CLIP Latent Space: A Semantic Mixture Model

A principled density model for the CLIP latent space based on Mixtures of von Mises-Fisher distributions defined on the unit hypersphere is proposed, establishing a simple and geometrically consistent probabilistic framework for modeling and understanding multimodal representations.

Zijie Yu, Gaowen Liu, R. Kompella et al. · 0 citations

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