Tool-Star: Empowering Multi-Tool Collaborative Web Agent via Reinforcement Learning.

@inproceedings{dong-2026-toolstar, author = {Guanting Dong and Yifei Chen and Xiaoxi Li and Jiajie Jin and Hongjin Qian and Yutao Zhu and Hangyu Mao and Guorui Zhou and Zhicheng Dou and Ji-Rong Wen}, 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 = {{Tool-Star: Empowering Multi-Tool Collaborative Web Agent 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 = {301--312}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809712}, doi = {https://doi.org/10.1145/3805712.3809712} }