Routing to the Expert: Efficient Reward-guided Ensemble of Large Language Models Keming Lu author Hongyi Yuan author Runji Lin author Junyang Lin author Zheng Yuan author Chang Zhou author Jingren Zhou author 2024-06 text Proceedings of the 2024 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: Long Papers) Kevin Duh editor Helena Gomez editor Steven Bethard editor Association for Computational Linguistics Mexico City, Mexico conference publication lu-etal-2024-routing 10.18653/v1/2024.naacl-long.109 https://aclanthology.org/2024.naacl-long.109/ 2024-06 1964 1974