@inproceedings{fan-etal-2026-deepplanner, title = "{D}eep{P}lanner: Scaling Planning Capability for Deep Research Agents via Advantage Shaping", author = "Fan, Wei and Yao, Wenlin and Li, Zheng and Yao, Feng and Liu, Xin and Qiu, Liang and Yin, Qingyu and Song, Yangqiu and Yin, Bing", editor = "Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {ACL} 2026", month = jul, year = "2026", address = "San Diego, California, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl/2026.findings-acl.370/", pages = "7510--7525", ISBN = "979-8-89176-395-1" }