1. Semi-Supervised learning,2006
2. Manifold regularization: a geometric framework for learning from labeled and unlabeled examples;Belkin;J. Mach. Learn. Res.,2006
3. X. Zhu, Z. Ghahramani, J. Lafferty, Semi-supervised learning using gaussian fields and harmonic functions, in: ICML, 2003, pp. 912–919.
4. D. Zhou, O. Bousquet, T.N. Lal, J. Weston, B. Schölkopf, Learning with local and global consistency, in: NIPS, 2004, pp. 321–328.
5. M. Belkin, P. Niyogi, Using manifold structure for partially labelled classification, in: NIPS, 2002.