@InProceedings{LangfordSalZhang09,
    title  = {Learning Nonlinear Dynamic Models},
    author = {John Langford and Ruslan Salakhutdinov  and Tong Zhang},
    booktitle = {Proceedings of the 26th International Conference on Machine Learning (ICML 2009)},
    editor = {Leon Bottou and Michael Littman},
    year = {2009}
}