@techreport{Brochu:2009,
  title = "A Tutorial on {B}ayesian Optimization of Expensive Cost Functions, with Application to Active User Modeling and Hierarchical Reinforcement Learning",
  author = "Eric Brochu and Vlad M Cora and Nando {de Freitas}",
  year = "2009",
  institution = "University of British Columbia, Department of Computer Science",
  number = "UBC TR-2009-023 and arXiv:1012.2599",
  url = "http://arxiv.org/abs/1012.2599",
}