@inproceedings{answercomplexquestionspathrankerisall,
  title = {Answer Complex Questions: Path Ranker Is All You Need},
  author = {Xinyu Zhang and Ke Zhan and Enrui Hu and Chengzhen Fu and Lan Luo and Hao Jiang and Yantao Jia and Fan Yu and Zhicheng Dou and Zhao Cao and Lei Chen},
  year = {2021},
  booktitle = {Proceedings of the 44th International ACM SIGIR Conference on Research and Development in Information Retrieval 2021 7},
  url = {https://dl.acm.org/doi/abs/10.1145/3404835.3462942},
}