Gao, Longwen, and Shuigeng Zhou. “Towards Topological-Transformation Robust Shape Comparison: A Sparse Representation Based Manifold Embedding Approach”. Proceedings of the AAAI Conference on Artificial Intelligence 28, no. 1 (June 21, 2014). Accessed April 25, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/9132.