Bridging Online Behavior and Clinical Insight: A Longitudinal LLM-based Study of Suicidality on YouTube Reveals Novel Digital Markers. - Ilanit Sobol; Shir Lissak; Refael Tikochinski; Tal Nakash; Anat Brunstein Klomek; Eyal Fruchter; Roi Reichart (CoRR, 2025)