@inproceedings{chen-etal-2026-diffcl, title = "{D}iff{CL}: Difference-Aware Contrastive Learning for Automatic Answer Grading with Multi-Level Semantic Modeling", author = "Chen, Lei and Gao, BoYu and Liu, Zitao and Wan, Tingjie and Luo, Weiqi", editor = "Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {ACL} 2026", month = jul, year = "2026", address = "San Diego, California, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl/2026.findings-acl.979/", pages = "19576--19589", ISBN = "979-8-89176-395-1" }