@inproceedings{efficientmultiplehyperparameterlearning,
  title = {Efficient multiple hyperparameter learning for log-linear models},
  author = {Chuan-Sheng Foo and Chuong B. Do and Andrew Y. Ng},
  year = {2007},
  booktitle = {NeurIPS 2007 12},
  url = {http://papers.nips.cc/paper/3286-efficient-multiple-hyperparameter-learning-for-log-linear-models},
}