Author

Ji-Guo Cao

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Preprint Sep 2026

Dynamic Latent Space Modeling of Inhomogeneous Poisson Network Processes with Applications to International Relations

We study continuous-time relational event data, where time-stamped dyadic interactions reflect both individual node propensities and evolving relational proximity. We propose a dynamic latent space model for inhomogeneous Poisson processes, where event intensities depend on node-specific activity parameters and time-va...

Jie Jian, Ji-Guo Cao, Owen G. Ward · 0 citations

#machine learning Preprint Sep 2026

Functional Attentive Interpretable Regression

In function-on-function regression, the coefficient surface $\beta(s,t)$ may exhibit complex support structure---from localized patches to global patterns such as disconnected regions, bands, or rings---where effect similarity does not align with Euclidean proximity. Projection-based methods that rely on fixed basis ex...

Hai-Xu Wang, Tian-Yu Guan, Ji-Guo Cao · 0 citations