“EchoKG: A Dynamic user Preference Knowledge Graph In-vehicle Dialogue System Based on Ebbinghaus Forgetting Curve”, IJAAA, vol. 2, no. 2, pp. 15–23, Jan. 2026, Accessed: Nov. 02, 2026. [Online]. Available: https://dawnclarity.press/index.php/ijaaa/article/view/126