Zhang, F., Zhang, Z., Ao, X., Gao, D., Zhuang, F., Wei, Y., & He, Q. (2022). Mind the Gap: Cross-Lingual Information Retrieval with Hierarchical Knowledge Enhancement. Proceedings of the AAAI Conference on Artificial Intelligence, 36(4), 4345-4353. https://doi.org/10.1609/aaai.v36i4.20355