@article{JMLR:v7:wu06a,
  author  = {Mingrui Wu and Bernhard Sch{{\"o}}lkopf and G{{\"o}}khan Bakir},
  title   = {A Direct Method for Building Sparse Kernel Learning Algorithms},
  journal = {Journal of Machine Learning Research},
  year    = {2006},
  volume  = {7},
  number  = {21},
  pages   = {603--624},
  url     = {http://jmlr.org/papers/v7/wu06a.html}
}