@inproceedings{dong-etal-2026-hierarchical, title = "Hierarchical Visual Agent: Managing Contexts in Joint Image-Text Space for Advanced Chart Reasoning", author = "Dong, Qihua and He, Ruozhen and Chen, Junwen and Wang, Yizhou and Ma, Xu and Jiang, Songyao 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.1914/", pages = "38390--38401", ISBN = "979-8-89176-395-1" }