A LLM-Powered Automatic Grading Framework with Human-Level Guidelines Optimization. - Yucheng Chu; Hang Li 007; Kaiqi Yang 001; Harry Shomer; Yasemin Copur-Gencturk; Leonora Kaldaras; Kevin C. Haudek; Joseph Krajcik; Namsoo Shin; Hui Liu 031; Jiliang Tang (EDM, 2025)