Rank-R1: Enhancing Reasoning in LLM-based Document Rerankers via Reinforcement Learning.

@inproceedings{zhuang-2026-rankr1, author = {Shengyao Zhuang and Shuai Wang and Yibo Xie and Xueguang Ma and Jimmy Lin and Kaifan Wang and Zheng Yao and Shuai Wang and Yibo Xie and Bevan Koopman and Hongning Wang and Feiyan Liu and Guido Zuccon and Bevan Koopman and Hongning Wang and Jimmy Lin and Kaifan Wang and Feiyan Liu and Guido Zuccon}, editor = {Hannah Bast and Alistair Moffat and Falk Scholer and Marc Najork and Min Zhang and Hannah Bast and Marc Najork and Min Zhang}, title = {{Rank-R1: Enhancing Reasoning in LLM-based Document Rerankers via Reinforcement Learning}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {4419--4425}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809961}, doi = {https://doi.org/10.1145/3805712.3809961} }