@article{JMLR:v9:chapelle08a,
  author  = {Olivier Chapelle and Vikas Sindhwani and Sathiya S. Keerthi},
  title   = {Optimization Techniques for Semi-Supervised Support Vector Machines},
  journal = {Journal of Machine Learning Research},
  year    = {2008},
  volume  = {9},
  number  = {7},
  pages   = {203--233},
  url     = {http://jmlr.org/papers/v9/chapelle08a.html}
}