@inproceedings{wang-fu-2026-unac, title = "{U}n{AC}: Adaptive Visual Prompting with Abstraction and Stepwise Checking for Complex Multimodal Reasoning", author = "Wang, Yifan and Fu, Yun", 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.1196/", pages = "23884--23893", ISBN = "979-8-89176-395-1" }