Can we Use GPT-4 as a Mathematics Evaluator in Education?: Exploring the Efficacy and Limitation of LLM-based Automatic Assessment System for Open-ended Mathematics Question. - Unggi Lee; Youngin Kim; Sangyun Lee; Jaehyeon Park; Jin Mun; Eunseo Lee; Hyeoncheol Kim; Cheolil Lim; Yun Joo Yoo (Int. J. Artif. Intell. Educ., 2025)