SV-RAG: LoRA-Contextualizing Adaptation of MLLMs for Long Document Understanding - Chen, Jian; Zhang, Ruiyi; Zhou, Yufan; Yu, Tong; Dernoncourt, Franck; Gu, Jiuxiang; Rossi, Ryan; Chen, Changyou; Sun, Tong (International Conference on Learning Representations, 2025)