Robust Function-Calling for On-Device Language Model via Function Masking - Lin, Qiqiang; Wen, Muning; Peng, Qiuying; Nie, Guanyu; Liao, Junwei; Mo, Xiaoyun; Zhou, Jiamu; Cheng, Cheng; Zhao, Yin; Wang, Jun; Zhang, Weinan (International Conference on Learning Representations, 2025)