@inproceedings{pham-etal-2025-lexisignvqa, title = "{L}exi{S}ign{VQA}: A Unified Training-free Multi-stage Approach to Multimodal Legal Question Answering on Traffic Sign Rules", author = "Pham, Phung Xuan and Le, Duc Quang and Tran, Tuan Hau and Huynh, Thinh Nguyen-Truong", editor = "Mai, Luong Chi and Huyen, Nguyen Thi Minh and Trang, Nguyen Thi Thu", booktitle = "Proceedings of the 11th International Workshop on Vietnamese Language and Speech Processing", month = oct, year = "2025", address = "Hanoi, Vietnam", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/author-page-lei-gao-usc/2025.vlsp-1.52/", pages = "440--450" }