SurvSurf: a partially monotonic neural network for first-hitting time prediction of intermittently observed discrete and continuous sequential events. - Yichen Kelly Chen; Sören Dittmer; Kinga Bernatowicz; Josep Arús-Pous; Kamen Bliznashki; John A. D. Aston; James H. F. Rudd; Carola-Bibiane Schönlieb; James Jones; Michael Roberts (CoRR, 2025)