PoSh: Using Scene Graphs to Guide LLMs-as-a-Judge for Detailed Image Descriptions - Ananthram, Amith; Stengel-Eskin, Elias; Bradford, Lorena; Demarest, Julia; Purvis, Adam; Krut, Keith; Stein, Robert; Pantalony, Rina; Bansal, Mohit; McKeown, Kathleen (International Conference on Learning Representations, 2026)