SCRIBES: Web-Scale Script-Based Semi-Structured Data Extraction with Reinforcement Learning - Liu, Shicheng; Sun, Kai; Fu, Lisheng; Chen, Xilun; Zhang, Xinyuan; Lin, Zhaojiang; Shao, Rulin; Liu, Yue; Kumar, Anuj; Yih, Scott; Dong, Xin (International Conference on Learning Representations, 2026)