Human Texts Are Outliers: Detecting LLM-generated Texts via Out-of-distribution Detection - Zeng, Cong; Tang, Shengkun; Chen, Yuanzhou; Shen, Zhiqiang; Yu, Wenchao; Zhao, Xujiang; Chen, Haifeng; Cheng, Wei; Xu, Zhiqiang (Advances in Neural Information Processing Systems, 2025)