一作ACL 2026Findings· Findings of ACL
D iff CL : Difference-Aware Contrastive Learning for Automatic Answer Grading with Multi-Level Semantic Modeling
Lei Chen · BoYu Gao · Zitao Liu · Tingjie Wan · Weiqi Luo
摘要
Automated Answer Grading (AAG) is a fundamental task in intelligent education, requiring accurate semantic understanding and reliable modeling of student deviations from reference answers. Despite recent progress, large language models (LLMs) remain insensitive to missing key concepts, exhibit un...