Mo S, Ruan H, Wu K, Liu J. Textual Self-Attention Network: Test-Time Preference Optimization Through Textual Gradient-Based Attention. AAAI [Internet]. 2026 Mar. 14 [cited 2026 May 17];40(38):32510-8. Available from: https://ojs.aaai.org/index.php/AAAI/article/view/40527