MCLS: A Large-Scale Multimodal Cross-Lingual Summarization Dataset Shi Xiaorui author 2023-08 text eng Proceedings of the 22nd Chinese National Conference on Computational Linguistics Maosong Sun editor Bing Qin editor Xipeng Qiu editor Jing Jiang editor Xianpei Han editor Chinese Information Processing Society of China Harbin, China conference publication xiaorui-2023-mcls https://aclanthology.org/2023.ccl-1.73/ 2023-08 862 874