@article{eventcentricqueryexpansioninwebsearch,
  title = {Event-Centric Query Expansion in Web Search},
  author = {Yanan Zhang and Weijie Cui and Yangfan Zhang and Xiaoling Bai and Zhe Zhang and Jin Ma and Xiang Chen and Tianhua Zhou},
  year = {2023},
  eprint = {2305.19019},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2305.19019v1},
}