@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", }