@article{mindthegapcrosslingualinformation,
  title = {Mind the Gap: Cross-Lingual Information Retrieval with Hierarchical Knowledge Enhancement},
  author = {Fuwei Zhang and Zhao Zhang and Xiang Ao and Dehong Gao and Fuzhen Zhuang and Yi Wei and Qing He},
  year = {2021},
  eprint = {2112.13510},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2112.13510v1},
}