STBLLM: Breaking the 1-Bit Barrier with Structured Binary LLMs - Dong, Peijie; Li, Lujun; Zhong, Yuedong; Du, DaYou; FAN, Ruibo; CHEN, Yuhan; Tang, Zhenheng; Wang, Qiang; Xue, Wei; Guo, Yike; Chu, Xiaowen (International Conference on Learning Representations, 2025)