TY - GEN CY - Montreal, QC, Canada T3 - Neural Information Processing Systems (NIPS) A1 - Wilson, JT A1 - Hutter, F A1 - Deisenroth, MP N2 - Bayesian optimization is a sample-efficient approach to global optimization that relies on theoretically motivated value heuristics (acquisition functions) to guide its search process. Fully maximizing acquisition functions produces the Bayes? decision rule, but this ideal is difficult to achieve since these functions are frequently non-trivial to optimize. This statement is especially true when evaluating queries in parallel, where acquisition functions are routinely non-convex, highdimensional, and intractable. We first show that acquisition functions estimated via Monte Carlo integration are consistently amenable to gradient-based optimization. Subsequently, we identify a common family of acquisition functions, including EI and UCB, whose properties not only facilitate but justify use of greedy approaches for their maximization. ID - discovery10083559 UR - https://papers.nips.cc/paper/8194-maximizing-acquisition-functions-for-bayesian-optimization.pdf PB - Neural Information Processing Systems (NIPS) SN - 1049-5258 N1 - This version is the version of record. For information on re-use, please refer to the publisher?s terms and conditions. TI - Maximizing acquisition functions for Bayesian optimization AV - public Y1 - 2018/12/08/ EP - 12 ER -