HSSBench: Benchmarking Humanities and Social Sciences Ability for Multimodal Large Language Models - Kang, Zhaolu; Gong, Junhao; Yan, Jiaxu; Xia, Wanke; Wang, Yian; Cheng, Zhuo; Cao, Wenhao; Wang, Ziwen; Feng, ZhiYuan; Ding, Huaxuan; He, Siqi; Yan, Shannan; et al. (International Conference on Learning Representations, 2026)