Alibaba Cloud; Zhejiang University
Chao Chen, Kai Liu, Ze Chen, Yi Gu, Yue Wu, Mingyuan Tao, Zhihang Fu, Jieping Ye
Large Language Models;Hallucination Detection;LogDet of Covariance Matrix;Eigenvalues;Feature Clipping
INSIDE: LLMs' Internal States Retain the Power of Hallucination Detection