Zou, Yuetian, Hanlei Zhang, Hua Xu, Songze Li, and Long Xiao. “Ellipsoid-Based Decision Boundaries for Open Intent Classification”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 41 (March 14, 2026): 35293–35301. Accessed May 25, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/40837.