Liu Z, Peng P, Huang Y, Tian Y. Perceiving the Knowledge Boundary: Uncertainty-Guided Exploration and Imagination for World Models. AAAI [Internet]. 2026 Mar. 14 [cited 2026 May 25];40(28):23990-8. Available from: https://ojs.aaai.org/index.php/AAAI/article/view/39576