Xiong D, Wang S, Zhang L, Huang W, Han C. Generalizable Sensor-Based Activity Recognition via Categorical Concept Invariant Learning. AAAI [Internet]. 2025 Apr. 11 [cited 2026 May 26];39(1):923-31. Available from: https://ojs.aaai.org/index.php/AAAI/article/view/32077