@inproceedings{ye-etal-2026-x1, title = "x1: Learning to Think Adaptively Across Languages and Cultures", author = "Ye, Yangfan and Feng, Xiaocheng and Feng, Xiachong and Huang, Yichong and Yuan, Zekun and Huang, Lei and Ma, Weitao and Hong, Qichen and Lu, Yunfei and Tu, Dandan and Qin, Bing", editor = "Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {ACL} 2026", month = jul, year = "2026", address = "San Diego, California, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl/2026.findings-acl.712/", pages = "14516--14533", ISBN = "979-8-89176-395-1" }