MMFakeBench: A Mixed-Source Multimodal Misinformation Detection Benchmark for LVLMs - Liu, Xuannan; Li, Zekun; Li, Pei; Huang, Huaibo; Xia, Shuhan; Cui, Xing; Huang, Linzhi; Deng, Weihong; He, Zhaofeng (International Conference on Learning Representations, 2025)