From Ecological Connectivity to Outbreak Risk: A Heterogeneous Graph Network for Epidemiological Reasoning under Sparse Spatiotemporal Data. - Haley Stone; Jing Du 003; Yang Yang 001; Ashna Desai; Rebecca Dawson; Hao Xue 001; David Heslop; Matthew Scotch; Andreas Züfle; C. Raina MacIntyre; Flora Salim (CoRR, 2026)