1. Semi-supervised support vector machines;Bennett;Adv. Neural Inf. Process. Syst.,1999
2. Transductive inference for text classification using support vector machines;Joachims,1999
3. Manifold regularization: a geometric framework for learning from labeled and unlabeled examples;Belkin;Mach. Learn. Res.,2006
4. Semi-supervised learning using label mean;Li,2009
5. Towards making unlabeled data never hurt;Li,2011