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paperarXivTrust 82 · PrimaryPublished 2d agoLive · 21h ago

When Context Compensates for Sparse Event History: AlphaEarth for Spatio-Temporal Point-Process Forecasting

Spatio-temporal point-process models must often generalise across space when local event histories are sparse. We study whether exogenous spatial context can compensate in such regimes. Using a fixed log-Gaussian Cox process backbone, we compare an event-only model with the same model augmented by AlphaEarth embeddings as linear spatial context. We evaluate spatial transfer on emergency medical services (EMS) forecasting across eight held-out regions, fixed forecast anchors, and a sweep over history length $w$, using only AlphaEarth (AE) embeddings available strictly before each anchor. AE imp

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  • Linked via arxiv authorYahya Aalaila

    When Context Compensates for Sparse Event History: AlphaEarth for Spatio-Temporal Point-Process Forecasting

  • Linked via arxiv authorMouad Elhamdi

    When Context Compensates for Sparse Event History: AlphaEarth for Spatio-Temporal Point-Process Forecasting

  • Linked via arxiv authorGerrit Großmann

    When Context Compensates for Sparse Event History: AlphaEarth for Spatio-Temporal Point-Process Forecasting

  • Linked via arxiv authorDaniel Jenson

    When Context Compensates for Sparse Event History: AlphaEarth for Spatio-Temporal Point-Process Forecasting

  • Linked via arxiv authorElizaveta Semenova

    When Context Compensates for Sparse Event History: AlphaEarth for Spatio-Temporal Point-Process Forecasting

  • Linked via arxiv authorSebastian Vollmer

    When Context Compensates for Sparse Event History: AlphaEarth for Spatio-Temporal Point-Process Forecasting

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