@inproceedings{lin-etal-2026-toolprm, title = "{T}ool{PRM}: Fine-Grained Inference Scaling of Structured Outputs for Function Calling", author = "Lin, Jianghao and Shi, Yuanyuan and Peng, Xin and Ding, Renjie and Wang, Hairui and Peng, Yuxuan and Bai, Bizhe and Song, Weixi and Bai, Fengshuo and Chai, Huacan and Zhang, Weinan and Huang, Fei and Wen, Ying", editor = "Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David", booktitle = "Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)", month = jul, year = "2026", address = "San Diego, California, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl/2026.acl-long.855/", pages = "18792--18804", ISBN = "979-8-89176-390-6" }