Geometric diffusions as a tool for harmonic analysis and structure definition of data: Diffusion maps; Coifman, Lafon, Lee, Maggioni, Nadler, Warner, Zucker - manifold learning
L. Lee. Proceedings of the 37th annual meeting of the Association for Computational Linguistics on Computational Linguistics, page 25--32. Morristown, NJ, USA, Association for Computational Linguistics, (1999)
H. Lee, A. Borodin, and L. Goldsmith. HT '08: Proceedings of the nineteenth ACM conference on Hypertext and hypermedia, page 139--148. New York, NY, USA, ACM, (2008)