https://aclanthology.org/P19-1227/
XQA: A Cross-lingual Open-domain Question Answering Dataset - ACL Anthology
Jiahua Liu, Yankai Lin, Zhiyuan Liu, Maosong Sun. Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics. 2019.
a crossopen domainquestion answeringxqalingual