@article{towardsabettertradeoffbetween,
  title = {Towards a Better Tradeoff between Effectiveness and Efficiency in Pre-Ranking: A Learnable Feature Selection based Approach},
  author = {Xu Ma and Pengjie Wang and Hui Zhao and Shaoguo Liu and Chuhan Zhao and Wei Lin and Kuang-Chih Lee and Jian Xu and Bo Zheng},
  year = {2021},
  eprint = {2105.07706},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2105.07706v1},
}