Tan, Wenbin, et al. “PC-CrossDiff: Point-Cluster Dual-Level Cross-Modal Differential Attention for Unified 3D Referring and Segmentation”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 40, no. 11, Mar. 2026, pp. 9332-40, doi:10.1609/aaai.v40i11.37892.