Chapelle, O Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Chapelle, O., Sindhwani, V., & Keerthi, S. (2008). Optimization Techniques for Semi-Supervised Support Vector Machines. Journal of Machine Learning Research, 9, 203-233. Retrieved from http://jmlr.csail.mit.edu/papers/volume9/chapelle08a/chapelle08a.pdf.