@inproceedings{usingdeepbeliefnetstolearncovariance,
  title = {Using Deep Belief Nets to Learn Covariance Kernels for Gaussian Processes},
  author = {Geoffrey E. Hinton and Ruslan R. Salakhutdinov},
  year = {2007},
  booktitle = {NeurIPS 2007 12},
  url = {http://papers.nips.cc/paper/3211-using-deep-belief-nets-to-learn-covariance-kernels-for-gaussian-processes},
}