Learning to Rank in the Age of Muppets: Effectiveness–Efficiency Tradeoffs in Multi-Stage Ranking Yue Zhang author ChengCheng Hu author Yuqi Liu author Hui Fang author Jimmy Lin author 2021-11 text Proceedings of the Second Workshop on Simple and Efficient Natural Language Processing Nafise Sadat Moosavi editor Iryna Gurevych editor Angela Fan editor Thomas Wolf editor Yufang Hou editor Ana Marasović editor Sujith Ravi editor Association for Computational Linguistics Virtual conference publication zhang-etal-2021-learning-rank 10.18653/v1/2021.sustainlp-1.8 https://aclanthology.org/2021.sustainlp-1.8/ 2021-11 64 73