1. Aronszajn N. Theory of reproducing kernels. Trans Amer Math Soc, 1950, 68: 337–404
2. Belkin M, Niyogi P. Semi-supervised learning on riemannian manifolds. Machine Learning, 2004, 56: 209–239
3. Belkin M, Niyogi P. Towards a theoretical foundation for Laplacian-based manifold methods. J Comput System Sci, 2008, 74: 1289–1308
4. Belkin M, Niyogi P, Sindhwani V. Manifold regularization: A geometric framework for learning from labeled and unlabeled examples. J Mach Learn Res, 2006, 7: 2399–2434
5. Blum A, Chawla S. Learning from labeled and unlabeled data using graph mincuts. In: Proceedings of the 18th International Conference on Machine Learning. Waltham: Morgan Kaufmann Publishers Inc., 2001, 19–26