WorldVQA: Measuring Atomic World Knowledge in Multimodal Large Language Models. - Runjie Zhou; Youbo Shao; Haoyu Lu; Bowei Xing; Tongtong Bai; Yujie Chen; Jie Zhao; Lin Sui; Haotian Yao; Zijia Zhao; Hao Yang; Haoning Wu; et al. (CoRR, 2026)