LBM: Hierarchical Large Auto-Bidding Model via Reasoning and Acting.

@inproceedings{li-2026-lbm, author = {Yewen Li and Zhiyi Lyu and Peng Jiang and Qingpeng Cai and Fei Pan and Bo An and Peng Jiang}, editor = {Hakim Hacid and Yoelle Maarek and Francesco Bonchi and Ido Guy and Emine Yilmaz}, title = {{LBM: Hierarchical Large Auto-Bidding Model via Reasoning and Acting}}, booktitle = {{Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026}}, pages = {75--86}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3774904.3792202}, doi = {https://doi.org/10.1145/3774904.3792202} }