@article{JMLR:v6:evgeniou05a,
  author  = {Theodoros Evgeniou and Charles A. Micchelli and Massimiliano Pontil},
  title   = {Learning Multiple Tasks with Kernel Methods},
  journal = {Journal of Machine Learning Research},
  year    = {2005},
  volume  = {6},
  number  = {21},
  pages   = {615--637},
  url     = {http://jmlr.org/papers/v6/evgeniou05a.html}
}