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Research map / Probabilistic and scientific modeling / Bayesian optimization

Stagewise Safe Bayesian Optimization with Gaussian Processes

ICML 2018 · Probabilistic and scientific modeling › Bayesian optimization · approach: Acquisition function design · 65 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Separating safe region expansion and utility optimization into two stages (STAGEOPT) instead of interleaving (SAFEOPT)safe Bayesian optimization · Synthetic (1 and 3 safety functions)reward and safe region sizeNo clear effect
Using GP-UCB in the utility optimization stage vs SAFEOPT-style interleaving on one safety functionSTAGEOPT · Synthetic, single safety functionrewardNo clear effect
Replacing STAGEOPT with constrained EI with stringent per-step safety thresholdsafe optimization · Synthetic, single safety functionrewardHurt
Choice of acquisition function (EI, MPI vs GP-UCB) in utility stage (ablation)STAGEOPT · SyntheticrewardNo clear effect
Preference-based STAGEOPT in clinical spinal cord stimulationSTAGEOPT · Clinical gripping therapyutility vs physician best choiceHelped
Using STAGEOPT safe expansion in clinical settingSTAGEOPT · Clinical spinal cord stimulationunsafe samplesHelped

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