@article{JMLR:v7:sahbi06a,
  author  = {Hichem Sahbi and Donald Geman},
  title   = {A Hierarchy of Support Vector Machines for Pattern Detection},
  journal = {Journal of Machine Learning Research},
  year    = {2006},
  volume  = {7},
  number  = {75},
  pages   = {2087--2123},
  url     = {http://jmlr.org/papers/v7/sahbi06a.html}
}