1. M. Belkin, Problems of learning on manifolds, PhD thesis, University of Chicago, 2003
2. Laplacian eigenmaps and spectral techniques for embedding and clustering;Belkin,2001
3. Laplacian eigenmaps for dimensionality reduction and data representation;Belkin;Neural Comput.,2003
4. Using manifold structure for partially labelled classification;Belkin,2003
5. Semi-supervised learning on Riemannian manifolds;Belkin,2004